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PKQ4FZ흫h��php72compat.phpnu�[���<?php

require_once dirname(dirname(__FILE__)) . '/autoload.php';

/**
 * This file will monkey patch the pure-PHP implementation in place of the
 * PECL functions and constants, but only if they do not already exist.
 *
 * Thus, the functions or constants just proxy to the appropriate
 * ParagonIE_Sodium_Compat method or class constant, respectively.
 */
foreach (array(
    'BASE64_VARIANT_ORIGINAL',
    'BASE64_VARIANT_ORIGINAL_NO_PADDING',
    'BASE64_VARIANT_URLSAFE',
    'BASE64_VARIANT_URLSAFE_NO_PADDING',
    'CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_ABYTES',
    'CRYPTO_AEAD_AES256GCM_KEYBYTES',
    'CRYPTO_AEAD_AES256GCM_NSECBYTES',
    'CRYPTO_AEAD_AES256GCM_NPUBBYTES',
    'CRYPTO_AEAD_AES256GCM_ABYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES',
    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES',
    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES',
    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES',
    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES',
    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES',
    'CRYPTO_AUTH_BYTES',
    'CRYPTO_AUTH_KEYBYTES',
    'CRYPTO_BOX_SEALBYTES',
    'CRYPTO_BOX_SECRETKEYBYTES',
    'CRYPTO_BOX_PUBLICKEYBYTES',
    'CRYPTO_BOX_KEYPAIRBYTES',
    'CRYPTO_BOX_MACBYTES',
    'CRYPTO_BOX_NONCEBYTES',
    'CRYPTO_BOX_SEEDBYTES',
    'CRYPTO_KDF_BYTES_MIN',
    'CRYPTO_KDF_BYTES_MAX',
    'CRYPTO_KDF_CONTEXTBYTES',
    'CRYPTO_KDF_KEYBYTES',
    'CRYPTO_KX_BYTES',
    'CRYPTO_KX_KEYPAIRBYTES',
    'CRYPTO_KX_PRIMITIVE',
    'CRYPTO_KX_SEEDBYTES',
    'CRYPTO_KX_PUBLICKEYBYTES',
    'CRYPTO_KX_SECRETKEYBYTES',
    'CRYPTO_KX_SESSIONKEYBYTES',
    'CRYPTO_GENERICHASH_BYTES',
    'CRYPTO_GENERICHASH_BYTES_MIN',
    'CRYPTO_GENERICHASH_BYTES_MAX',
    'CRYPTO_GENERICHASH_KEYBYTES',
    'CRYPTO_GENERICHASH_KEYBYTES_MIN',
    'CRYPTO_GENERICHASH_KEYBYTES_MAX',
    'CRYPTO_PWHASH_SALTBYTES',
    'CRYPTO_PWHASH_STRPREFIX',
    'CRYPTO_PWHASH_ALG_ARGON2I13',
    'CRYPTO_PWHASH_ALG_ARGON2ID13',
    'CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE',
    'CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE',
    'CRYPTO_PWHASH_MEMLIMIT_MODERATE',
    'CRYPTO_PWHASH_OPSLIMIT_MODERATE',
    'CRYPTO_PWHASH_MEMLIMIT_SENSITIVE',
    'CRYPTO_PWHASH_OPSLIMIT_SENSITIVE',
    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES',
    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX',
    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE',
    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE',
    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE',
    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE',
    'CRYPTO_SCALARMULT_BYTES',
    'CRYPTO_SCALARMULT_SCALARBYTES',
    'CRYPTO_SHORTHASH_BYTES',
    'CRYPTO_SHORTHASH_KEYBYTES',
    'CRYPTO_SECRETBOX_KEYBYTES',
    'CRYPTO_SECRETBOX_MACBYTES',
    'CRYPTO_SECRETBOX_NONCEBYTES',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL',
    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX',
    'CRYPTO_SIGN_BYTES',
    'CRYPTO_SIGN_SEEDBYTES',
    'CRYPTO_SIGN_PUBLICKEYBYTES',
    'CRYPTO_SIGN_SECRETKEYBYTES',
    'CRYPTO_SIGN_KEYPAIRBYTES',
    'CRYPTO_STREAM_KEYBYTES',
    'CRYPTO_STREAM_NONCEBYTES',
    'CRYPTO_STREAM_XCHACHA20_KEYBYTES',
    'CRYPTO_STREAM_XCHACHA20_NONCEBYTES',
    'LIBRARY_MAJOR_VERSION',
    'LIBRARY_MINOR_VERSION',
    'LIBRARY_VERSION_MAJOR',
    'LIBRARY_VERSION_MINOR',
    'VERSION_STRING'
    ) as $constant
) {
    if (!defined("SODIUM_$constant") && defined("ParagonIE_Sodium_Compat::$constant")) {
        define("SODIUM_$constant", constant("ParagonIE_Sodium_Compat::$constant"));
    }
}
if (!is_callable('sodium_add')) {
    /**
     * @see ParagonIE_Sodium_Compat::add()
     * @param string $string1
     * @param string $string2
     * @return void
     * @throws SodiumException
     */
    function sodium_add(&$string1, $string2)
    {
        ParagonIE_Sodium_Compat::add($string1, $string2);
    }
}
if (!is_callable('sodium_base642bin')) {
    /**
     * @see ParagonIE_Sodium_Compat::bin2base64()
     * @param string $string
     * @param int $variant
     * @param string $ignore
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_base642bin($string, $variant, $ignore ='')
    {
        return ParagonIE_Sodium_Compat::base642bin($string, $variant, $ignore);
    }
}
if (!is_callable('sodium_bin2base64')) {
    /**
     * @see ParagonIE_Sodium_Compat::bin2base64()
     * @param string $string
     * @param int $variant
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_bin2base64($string, $variant)
    {
        return ParagonIE_Sodium_Compat::bin2base64($string, $variant);
    }
}
if (!is_callable('sodium_bin2hex')) {
    /**
     * @see ParagonIE_Sodium_Compat::hex2bin()
     * @param string $string
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_bin2hex($string)
    {
        return ParagonIE_Sodium_Compat::bin2hex($string);
    }
}
if (!is_callable('sodium_compare')) {
    /**
     * @see ParagonIE_Sodium_Compat::compare()
     * @param string $string1
     * @param string $string2
     * @return int
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_compare($string1, $string2)
    {
        return ParagonIE_Sodium_Compat::compare($string1, $string2);
    }
}
if (!is_callable('sodium_crypto_aead_aes256gcm_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt()
     * @param string $ciphertext
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function sodium_crypto_aead_aes256gcm_decrypt($ciphertext, $additional_data, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt(
                $ciphertext,
                $additional_data,
                $nonce,
                $key
            );
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            if (($ex instanceof SodiumException) && ($ex->getMessage() === 'AES-256-GCM is not available')) {
                throw $ex;
            }
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_aead_aes256gcm_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt()
     * @param string $message
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_aead_aes256gcm_encrypt($message, $additional_data, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt($message, $additional_data, $nonce, $key);
    }
}
if (!is_callable('sodium_crypto_aead_aes256gcm_is_available')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available()
     * @return bool
     */
    function sodium_crypto_aead_aes256gcm_is_available()
    {
        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available();
    }
}
if (!is_callable('sodium_crypto_aead_chacha20poly1305_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt()
     * @param string $ciphertext
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function sodium_crypto_aead_chacha20poly1305_decrypt($ciphertext, $additional_data, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt(
                $ciphertext,
                $additional_data,
                $nonce,
                $key
            );
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_aead_chacha20poly1305_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt()
     * @param string $message
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_aead_chacha20poly1305_encrypt($message, $additional_data, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt(
            $message,
            $additional_data,
            $nonce,
            $key
        );
    }
}
if (!is_callable('sodium_crypto_aead_chacha20poly1305_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_aead_chacha20poly1305_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_keygen();
    }
}
if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt()
     * @param string $message
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function sodium_crypto_aead_chacha20poly1305_ietf_decrypt($message, $additional_data, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt(
                $message,
                $additional_data,
                $nonce,
                $key
            );
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt()
     * @param string $message
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_aead_chacha20poly1305_ietf_encrypt($message, $additional_data, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt(
            $message,
            $additional_data,
            $nonce,
            $key
        );
    }
}
if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_aead_chacha20poly1305_ietf_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_keygen();
    }
}
if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_decrypt()
     * @param string $ciphertext
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($ciphertext, $additional_data, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_decrypt(
                $ciphertext,
                $additional_data,
                $nonce,
                $key,
                true
            );
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_encrypt()
     * @param string $message
     * @param string $additional_data
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_aead_xchacha20poly1305_ietf_encrypt(
        $message,
        $additional_data,
        $nonce,
        $key
    ) {
        return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_encrypt(
            $message,
            $additional_data,
            $nonce,
            $key,
            true
        );
    }
}
if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_aead_xchacha20poly1305_ietf_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_keygen();
    }
}
if (!is_callable('sodium_crypto_auth')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_auth()
     * @param string $message
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_auth($message, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_auth($message, $key);
    }
}
if (!is_callable('sodium_crypto_auth_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_auth_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_auth_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_auth_keygen();
    }
}
if (!is_callable('sodium_crypto_auth_verify')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_auth_verify()
     * @param string $mac
     * @param string $message
     * @param string $key
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_auth_verify($mac, $message, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_auth_verify($mac, $message, $key);
    }
}
if (!is_callable('sodium_crypto_box')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box()
     * @param string $message
     * @param string $nonce
     * @param string $key_pair
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box($message, $nonce, $key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_box($message, $nonce, $key_pair);
    }
}
if (!is_callable('sodium_crypto_box_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_keypair()
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_keypair()
    {
        return ParagonIE_Sodium_Compat::crypto_box_keypair();
    }
}
if (!is_callable('sodium_crypto_box_keypair_from_secretkey_and_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey()
     * @param string $secret_key
     * @param string $public_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_keypair_from_secretkey_and_publickey($secret_key, $public_key)
    {
        return ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey($secret_key, $public_key);
    }
}
if (!is_callable('sodium_crypto_box_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_open()
     * @param string $ciphertext
     * @param string $nonce
     * @param string $key_pair
     * @return string|bool
     */
    function sodium_crypto_box_open($ciphertext, $nonce, $key_pair)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_box_open($ciphertext, $nonce, $key_pair);
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_box_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_publickey()
     * @param string $key_pair
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_publickey($key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_box_publickey($key_pair);
    }
}
if (!is_callable('sodium_crypto_box_publickey_from_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey()
     * @param string $secret_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_publickey_from_secretkey($secret_key)
    {
        return ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey($secret_key);
    }
}
if (!is_callable('sodium_crypto_box_seal')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_seal()
     * @param string $message
     * @param string $public_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_seal($message, $public_key)
    {
        return ParagonIE_Sodium_Compat::crypto_box_seal($message, $public_key);
    }
}
if (!is_callable('sodium_crypto_box_seal_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_seal_open()
     * @param string $message
     * @param string $key_pair
     * @return string|bool
     * @throws SodiumException
     */
    function sodium_crypto_box_seal_open($message, $key_pair)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_box_seal_open($message, $key_pair);
        } catch (SodiumException $ex) {
            if ($ex->getMessage() === 'Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.') {
                throw $ex;
            }
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_box_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_secretkey()
     * @param string $key_pair
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_secretkey($key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_box_secretkey($key_pair);
    }
}
if (!is_callable('sodium_crypto_box_seed_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_seed_keypair()
     * @param string $seed
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_box_seed_keypair($seed)
    {
        return ParagonIE_Sodium_Compat::crypto_box_seed_keypair($seed);
    }
}
if (!is_callable('sodium_crypto_generichash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash()
     * @param string $message
     * @param string|null $key
     * @param int $length
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_generichash($message, $key = null, $length = 32)
    {
        return ParagonIE_Sodium_Compat::crypto_generichash($message, $key, $length);
    }
}
if (!is_callable('sodium_crypto_generichash_final')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_final()
     * @param string|null $state
     * @param int $outputLength
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_generichash_final(&$state, $outputLength = 32)
    {
        return ParagonIE_Sodium_Compat::crypto_generichash_final($state, $outputLength);
    }
}
if (!is_callable('sodium_crypto_generichash_init')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_init()
     * @param string|null $key
     * @param int $length
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_generichash_init($key = null, $length = 32)
    {
        return ParagonIE_Sodium_Compat::crypto_generichash_init($key, $length);
    }
}
if (!is_callable('sodium_crypto_generichash_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_generichash_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_generichash_keygen();
    }
}
if (!is_callable('sodium_crypto_generichash_update')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_update()
     * @param string|null $state
     * @param string $message
     * @return void
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_generichash_update(&$state, $message = '')
    {
        ParagonIE_Sodium_Compat::crypto_generichash_update($state, $message);
    }
}
if (!is_callable('sodium_crypto_kdf_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_kdf_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_kdf_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_kdf_keygen();
    }
}
if (!is_callable('sodium_crypto_kdf_derive_from_key')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key()
     * @param int $subkey_length
     * @param int $subkey_id
     * @param string $context
     * @param string $key
     * @return string
     * @throws Exception
     */
    function sodium_crypto_kdf_derive_from_key($subkey_length, $subkey_id, $context, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key(
            $subkey_length,
            $subkey_id,
            $context,
            $key
        );
    }
}
if (!is_callable('sodium_crypto_kx')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_kx()
     * @param string $my_secret
     * @param string $their_public
     * @param string $client_public
     * @param string $server_public
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_kx($my_secret, $their_public, $client_public, $server_public)
    {
        return ParagonIE_Sodium_Compat::crypto_kx(
            $my_secret,
            $their_public,
            $client_public,
            $server_public
        );
    }
}
if (!is_callable('sodium_crypto_kx_seed_keypair')) {
    /**
     * @param string $seed
     * @return string
     * @throws Exception
     */
    function sodium_crypto_kx_seed_keypair($seed)
    {
        return ParagonIE_Sodium_Compat::crypto_kx_seed_keypair($seed);
    }
}
if (!is_callable('sodium_crypto_kx_keypair')) {
    /**
     * @return string
     * @throws Exception
     */
    function sodium_crypto_kx_keypair()
    {
        return ParagonIE_Sodium_Compat::crypto_kx_keypair();
    }
}
if (!is_callable('sodium_crypto_kx_client_session_keys')) {
    /**
     * @param string $client_key_pair
     * @param string $server_key
     * @return array{0: string, 1: string}
     * @throws SodiumException
     */
    function sodium_crypto_kx_client_session_keys($client_key_pair, $server_key)
    {
        return ParagonIE_Sodium_Compat::crypto_kx_client_session_keys($client_key_pair, $server_key);
    }
}
if (!is_callable('sodium_crypto_kx_server_session_keys')) {
    /**
     * @param string $server_key_pair
     * @param string $client_key
     * @return array{0: string, 1: string}
     * @throws SodiumException
     */
    function sodium_crypto_kx_server_session_keys($server_key_pair, $client_key)
    {
        return ParagonIE_Sodium_Compat::crypto_kx_server_session_keys($server_key_pair, $client_key);
    }
}
if (!is_callable('sodium_crypto_kx_secretkey')) {
    /**
     * @param string $key_pair
     * @return string
     * @throws Exception
     */
    function sodium_crypto_kx_secretkey($key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_kx_secretkey($key_pair);
    }
}
if (!is_callable('sodium_crypto_kx_publickey')) {
    /**
     * @param string $key_pair
     * @return string
     * @throws Exception
     */
    function sodium_crypto_kx_publickey($key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_kx_publickey($key_pair);
    }
}
if (!is_callable('sodium_crypto_pwhash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash()
     * @param int $length
     * @param string $passwd
     * @param string $salt
     * @param int $opslimit
     * @param int $memlimit
     * @param int|null $algo
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_pwhash($length, $passwd, $salt, $opslimit, $memlimit, $algo = null)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash($length, $passwd, $salt, $opslimit, $memlimit, $algo);
    }
}
if (!is_callable('sodium_crypto_pwhash_str')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str()
     * @param string $passwd
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_str($passwd, $opslimit, $memlimit);
    }
}
if (!is_callable('sodium_crypto_pwhash_str_needs_rehash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash()
     * @param string $hash
     * @param int $opslimit
     * @param int $memlimit
     * @return bool
     *
     * @throws SodiumException
     */
    function sodium_crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit);
    }
}
if (!is_callable('sodium_crypto_pwhash_str_verify')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_verify()
     * @param string $passwd
     * @param string $hash
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_pwhash_str_verify($passwd, $hash)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_str_verify($passwd, $hash);
    }
}
if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256()
     * @param int $length
     * @param string $passwd
     * @param string $salt
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_pwhash_scryptsalsa208sha256($length, $passwd, $salt, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256(
            $length,
            $passwd,
            $salt,
            $opslimit,
            $memlimit
        );
    }
}
if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str()
     * @param string $passwd
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit);
    }
}
if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str_verify')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify()
     * @param string $passwd
     * @param string $hash
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash);
    }
}
if (!is_callable('sodium_crypto_scalarmult')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult()
     * @param string $n
     * @param string $p
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_scalarmult($n, $p)
    {
        return ParagonIE_Sodium_Compat::crypto_scalarmult($n, $p);
    }
}
if (!is_callable('sodium_crypto_scalarmult_base')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_base()
     * @param string $n
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_scalarmult_base($n)
    {
        return ParagonIE_Sodium_Compat::crypto_scalarmult_base($n);
    }
}
if (!is_callable('sodium_crypto_secretbox')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_secretbox()
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_secretbox($message, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_secretbox($message, $nonce, $key);
    }
}
if (!is_callable('sodium_crypto_secretbox_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_secretbox_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_secretbox_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_secretbox_keygen();
    }
}
if (!is_callable('sodium_crypto_secretbox_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_secretbox_open()
     * @param string $ciphertext
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function sodium_crypto_secretbox_open($ciphertext, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_secretbox_open($ciphertext, $nonce, $key);
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_push')) {
    /**
     * @param string $key
     * @return array<int, string>
     * @throws SodiumException
     */
    function sodium_crypto_secretstream_xchacha20poly1305_init_push($key)
    {
        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_push($key);
    }
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_push')) {
    /**
     * @param string $state
     * @param string $message
     * @param string $additional_data
     * @param int $tag
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_secretstream_xchacha20poly1305_push(
        &$state,
        $message,
        $additional_data = '',
        $tag = 0
    ) {
        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_push(
            $state,
            $message,
            $additional_data,
            $tag
        );
    }
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_pull')) {
    /**
     * @param string $header
     * @param string $key
     * @return string
     * @throws Exception
     */
    function sodium_crypto_secretstream_xchacha20poly1305_init_pull($header, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_pull($header, $key);
    }
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_pull')) {
    /**
     * @param string $state
     * @param string $ciphertext
     * @param string $additional_data
     * @return bool|array{0: string, 1: int}
     * @throws SodiumException
     */
    function sodium_crypto_secretstream_xchacha20poly1305_pull(&$state, $ciphertext, $additional_data = '')
    {
        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_pull(
            $state,
            $ciphertext,
            $additional_data
        );
    }
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_rekey')) {
    /**
     * @param string $state
     * @return void
     * @throws SodiumException
     */
    function sodium_crypto_secretstream_xchacha20poly1305_rekey(&$state)
    {
        ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_rekey($state);
    }
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_keygen')) {
    /**
     * @return string
     * @throws Exception
     */
    function sodium_crypto_secretstream_xchacha20poly1305_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_keygen();
    }
}
if (!is_callable('sodium_crypto_shorthash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_shorthash()
     * @param string $message
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_shorthash($message, $key = '')
    {
        return ParagonIE_Sodium_Compat::crypto_shorthash($message, $key);
    }
}
if (!is_callable('sodium_crypto_shorthash_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_shorthash_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_shorthash_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_shorthash_keygen();
    }
}
if (!is_callable('sodium_crypto_sign')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign()
     * @param string $message
     * @param string $secret_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign($message, $secret_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign($message, $secret_key);
    }
}
if (!is_callable('sodium_crypto_sign_detached')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_detached()
     * @param string $message
     * @param string $secret_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_detached($message, $secret_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_detached($message, $secret_key);
    }
}
if (!is_callable('sodium_crypto_sign_keypair_from_secretkey_and_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey()
     * @param string $secret_key
     * @param string $public_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_keypair_from_secretkey_and_publickey($secret_key, $public_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey($secret_key, $public_key);
    }
}
if (!is_callable('sodium_crypto_sign_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair()
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_keypair()
    {
        return ParagonIE_Sodium_Compat::crypto_sign_keypair();
    }
}
if (!is_callable('sodium_crypto_sign_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_open()
     * @param string $signedMessage
     * @param string $public_key
     * @return string|bool
     */
    function sodium_crypto_sign_open($signedMessage, $public_key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_sign_open($signedMessage, $public_key);
        } catch (Error $ex) {
            return false;
        } catch (Exception $ex) {
            return false;
        }
    }
}
if (!is_callable('sodium_crypto_sign_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey()
     * @param string $key_pair
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_publickey($key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_publickey($key_pair);
    }
}
if (!is_callable('sodium_crypto_sign_publickey_from_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()
     * @param string $secret_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_publickey_from_secretkey($secret_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey($secret_key);
    }
}
if (!is_callable('sodium_crypto_sign_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_secretkey()
     * @param string $key_pair
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_secretkey($key_pair)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_secretkey($key_pair);
    }
}
if (!is_callable('sodium_crypto_sign_seed_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_seed_keypair()
     * @param string $seed
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_seed_keypair($seed)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_seed_keypair($seed);
    }
}
if (!is_callable('sodium_crypto_sign_verify_detached')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_verify_detached()
     * @param string $signature
     * @param string $message
     * @param string $public_key
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_verify_detached($signature, $message, $public_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_verify_detached($signature, $message, $public_key);
    }
}
if (!is_callable('sodium_crypto_sign_ed25519_pk_to_curve25519')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519()
     * @param string $public_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_ed25519_pk_to_curve25519($public_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519($public_key);
    }
}
if (!is_callable('sodium_crypto_sign_ed25519_sk_to_curve25519')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519()
     * @param string $secret_key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_sign_ed25519_sk_to_curve25519($secret_key)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519($secret_key);
    }
}
if (!is_callable('sodium_crypto_stream')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream()
     * @param int $length
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_stream($length, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream($length, $nonce, $key);
    }
}
if (!is_callable('sodium_crypto_stream_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_stream_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_stream_keygen();
    }
}
if (!is_callable('sodium_crypto_stream_xor')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_xor()
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_stream_xor($message, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream_xor($message, $nonce, $key);
    }
}
require_once dirname(__FILE__) . '/stream-xchacha20.php';
if (!is_callable('sodium_hex2bin')) {
    /**
     * @see ParagonIE_Sodium_Compat::hex2bin()
     * @param string $string
     * @param string $ignore
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_hex2bin($string, $ignore = '')
    {
        return ParagonIE_Sodium_Compat::hex2bin($string, $ignore);
    }
}
if (!is_callable('sodium_increment')) {
    /**
     * @see ParagonIE_Sodium_Compat::increment()
     * @param string $string
     * @return void
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_increment(&$string)
    {
        ParagonIE_Sodium_Compat::increment($string);
    }
}
if (!is_callable('sodium_library_version_major')) {
    /**
     * @see ParagonIE_Sodium_Compat::library_version_major()
     * @return int
     */
    function sodium_library_version_major()
    {
        return ParagonIE_Sodium_Compat::library_version_major();
    }
}
if (!is_callable('sodium_library_version_minor')) {
    /**
     * @see ParagonIE_Sodium_Compat::library_version_minor()
     * @return int
     */
    function sodium_library_version_minor()
    {
        return ParagonIE_Sodium_Compat::library_version_minor();
    }
}
if (!is_callable('sodium_version_string')) {
    /**
     * @see ParagonIE_Sodium_Compat::version_string()
     * @return string
     */
    function sodium_version_string()
    {
        return ParagonIE_Sodium_Compat::version_string();
    }
}
if (!is_callable('sodium_memcmp')) {
    /**
     * @see ParagonIE_Sodium_Compat::memcmp()
     * @param string $string1
     * @param string $string2
     * @return int
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_memcmp($string1, $string2)
    {
        return ParagonIE_Sodium_Compat::memcmp($string1, $string2);
    }
}
if (!is_callable('sodium_memzero')) {
    /**
     * @see ParagonIE_Sodium_Compat::memzero()
     * @param string $string
     * @return void
     * @throws SodiumException
     * @throws TypeError
     *
     * @psalm-suppress ReferenceConstraintViolation
     */
    function sodium_memzero(&$string)
    {
        ParagonIE_Sodium_Compat::memzero($string);
    }
}
if (!is_callable('sodium_pad')) {
    /**
     * @see ParagonIE_Sodium_Compat::pad()
     * @param string $unpadded
     * @param int $block_size
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_pad($unpadded, $block_size)
    {
        return ParagonIE_Sodium_Compat::pad($unpadded, $block_size, true);
    }
}
if (!is_callable('sodium_unpad')) {
    /**
     * @see ParagonIE_Sodium_Compat::pad()
     * @param string $padded
     * @param int $block_size
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_unpad($padded, $block_size)
    {
        return ParagonIE_Sodium_Compat::unpad($padded, $block_size, true);
    }
}
if (!is_callable('sodium_randombytes_buf')) {
    /**
     * @see ParagonIE_Sodium_Compat::randombytes_buf()
     * @param int $amount
     * @return string
     * @throws Exception
     */
    function sodium_randombytes_buf($amount)
    {
        return ParagonIE_Sodium_Compat::randombytes_buf($amount);
    }
}

if (!is_callable('sodium_randombytes_uniform')) {
    /**
     * @see ParagonIE_Sodium_Compat::randombytes_uniform()
     * @param int $upperLimit
     * @return int
     * @throws Exception
     */
    function sodium_randombytes_uniform($upperLimit)
    {
        return ParagonIE_Sodium_Compat::randombytes_uniform($upperLimit);
    }
}

if (!is_callable('sodium_randombytes_random16')) {
    /**
     * @see ParagonIE_Sodium_Compat::randombytes_random16()
     * @return int
     * @throws Exception
     */
    function sodium_randombytes_random16()
    {
        return ParagonIE_Sodium_Compat::randombytes_random16();
    }
}
PKQ4FZ}B�AAnamespaced.phpnu�[���<?php

require_once dirname(dirname(__FILE__)) . '/autoload.php';

if (PHP_VERSION_ID < 50300) {
    return;
}

/*
 * This file is just for convenience, to allow developers to reduce verbosity when
 * they add this project to their libraries.
 *
 * Replace this:
 *
 * $x = ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_encrypt(...$args);
 *
 * with this:
 *
 * use ParagonIE\Sodium\Compat;
 *
 * $x = Compat::crypto_aead_xchacha20poly1305_encrypt(...$args);
 */
spl_autoload_register(function ($class) {
    if ($class[0] === '\\') {
        $class = substr($class, 1);
    }
    $namespace = 'ParagonIE\\Sodium';
    // Does the class use the namespace prefix?
    $len = strlen($namespace);
    if (strncmp($namespace, $class, $len) !== 0) {
        // no, move to the next registered autoloader
        return false;
    }

    // Get the relative class name
    $relative_class = substr($class, $len);

    // Replace the namespace prefix with the base directory, replace namespace
    // separators with directory separators in the relative class name, append
    // with .php
    $file = dirname(dirname(__FILE__)) . '/namespaced/' . str_replace('\\', '/', $relative_class) . '.php';
    // if the file exists, require it
    if (file_exists($file)) {
        require_once $file;
        return true;
    }
    return false;
});
PKQ4FZ��e���php72compat_const.phpnu�[���<?php

const SODIUM_LIBRARY_MAJOR_VERSION = 9;
const SODIUM_LIBRARY_MINOR_VERSION = 1;
const SODIUM_LIBRARY_VERSION = '1.0.8';

const SODIUM_BASE64_VARIANT_ORIGINAL = 1;
const SODIUM_BASE64_VARIANT_ORIGINAL_NO_PADDING = 3;
const SODIUM_BASE64_VARIANT_URLSAFE = 5;
const SODIUM_BASE64_VARIANT_URLSAFE_NO_PADDING = 7;
const SODIUM_CRYPTO_AEAD_AES256GCM_KEYBYTES = 32;
const SODIUM_CRYPTO_AEAD_AES256GCM_NSECBYTES = 0;
const SODIUM_CRYPTO_AEAD_AES256GCM_NPUBBYTES = 12;
const SODIUM_CRYPTO_AEAD_AES256GCM_ABYTES = 16;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES = 32;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES = 0;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES = 8;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_ABYTES = 16;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES = 32;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES = 0;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES = 12;
const SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES = 16;
const SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES = 32;
const SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES = 0;
const SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES = 24;
const SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES = 16;
const SODIUM_CRYPTO_AUTH_BYTES = 32;
const SODIUM_CRYPTO_AUTH_KEYBYTES = 32;
const SODIUM_CRYPTO_BOX_SEALBYTES = 16;
const SODIUM_CRYPTO_BOX_SECRETKEYBYTES = 32;
const SODIUM_CRYPTO_BOX_PUBLICKEYBYTES = 32;
const SODIUM_CRYPTO_BOX_KEYPAIRBYTES = 64;
const SODIUM_CRYPTO_BOX_MACBYTES = 16;
const SODIUM_CRYPTO_BOX_NONCEBYTES = 24;
const SODIUM_CRYPTO_BOX_SEEDBYTES = 32;
const SODIUM_CRYPTO_KDF_BYTES_MIN = 16;
const SODIUM_CRYPTO_KDF_BYTES_MAX = 64;
const SODIUM_CRYPTO_KDF_CONTEXTBYTES = 8;
const SODIUM_CRYPTO_KDF_KEYBYTES = 32;
const SODIUM_CRYPTO_KX_BYTES = 32;
const SODIUM_CRYPTO_KX_PRIMITIVE = 'x25519blake2b';
const SODIUM_CRYPTO_KX_SEEDBYTES = 32;
const SODIUM_CRYPTO_KX_KEYPAIRBYTES = 64;
const SODIUM_CRYPTO_KX_PUBLICKEYBYTES = 32;
const SODIUM_CRYPTO_KX_SECRETKEYBYTES = 32;
const SODIUM_CRYPTO_KX_SESSIONKEYBYTES = 32;
const SODIUM_CRYPTO_GENERICHASH_BYTES = 32;
const SODIUM_CRYPTO_GENERICHASH_BYTES_MIN = 16;
const SODIUM_CRYPTO_GENERICHASH_BYTES_MAX = 64;
const SODIUM_CRYPTO_GENERICHASH_KEYBYTES = 32;
const SODIUM_CRYPTO_GENERICHASH_KEYBYTES_MIN = 16;
const SODIUM_CRYPTO_GENERICHASH_KEYBYTES_MAX = 64;
const SODIUM_CRYPTO_PWHASH_SALTBYTES = 16;
const SODIUM_CRYPTO_PWHASH_STRPREFIX = '$argon2id$';
const SODIUM_CRYPTO_PWHASH_ALG_ARGON2I13 = 1;
const SODIUM_CRYPTO_PWHASH_ALG_ARGON2ID13 = 2;
const SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE = 33554432;
const SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE = 4;
const SODIUM_CRYPTO_PWHASH_MEMLIMIT_MODERATE = 134217728;
const SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE = 6;
const SODIUM_CRYPTO_PWHASH_MEMLIMIT_SENSITIVE = 536870912;
const SODIUM_CRYPTO_PWHASH_OPSLIMIT_SENSITIVE = 8;
const SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES = 32;
const SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX = '$7$';
const SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE = 534288;
const SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE = 16777216;
const SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE = 33554432;
const SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE = 1073741824;
const SODIUM_CRYPTO_SCALARMULT_BYTES = 32;
const SODIUM_CRYPTO_SCALARMULT_SCALARBYTES = 32;
const SODIUM_CRYPTO_SHORTHASH_BYTES = 8;
const SODIUM_CRYPTO_SHORTHASH_KEYBYTES = 16;
const SODIUM_CRYPTO_SECRETBOX_KEYBYTES = 32;
const SODIUM_CRYPTO_SECRETBOX_MACBYTES = 16;
const SODIUM_CRYPTO_SECRETBOX_NONCEBYTES = 24;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES = 17;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES = 24;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES = 32;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH = 0;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL = 1;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY = 2;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL = 3;
const SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX = 0x3fffffff80;
const SODIUM_CRYPTO_SIGN_BYTES = 64;
const SODIUM_CRYPTO_SIGN_SEEDBYTES = 32;
const SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES = 32;
const SODIUM_CRYPTO_SIGN_SECRETKEYBYTES = 64;
const SODIUM_CRYPTO_SIGN_KEYPAIRBYTES = 96;
const SODIUM_CRYPTO_STREAM_KEYBYTES = 32;
const SODIUM_CRYPTO_STREAM_NONCEBYTES = 24;
const SODIUM_CRYPTO_STREAM_XCHACHA20_KEYBYTES = 32;
const SODIUM_CRYPTO_STREAM_XCHACHA20_NONCEBYTES = 24;
PKQ4FZ��x�AA
constants.phpnu�[���<?php
namespace Sodium;

require_once dirname(dirname(__FILE__)) . '/autoload.php';

use ParagonIE_Sodium_Compat;

const CRYPTO_AEAD_AES256GCM_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_AES256GCM_KEYBYTES;
const CRYPTO_AEAD_AES256GCM_NSECBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_AES256GCM_NSECBYTES;
const CRYPTO_AEAD_AES256GCM_NPUBBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_AES256GCM_NPUBBYTES;
const CRYPTO_AEAD_AES256GCM_ABYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_AES256GCM_ABYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_ABYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES;
const CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES = ParagonIE_Sodium_Compat::CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES;
const CRYPTO_AUTH_BYTES = ParagonIE_Sodium_Compat::CRYPTO_AUTH_BYTES;
const CRYPTO_AUTH_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_AUTH_KEYBYTES;
const CRYPTO_BOX_SEALBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_SEALBYTES;
const CRYPTO_BOX_SECRETKEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES;
const CRYPTO_BOX_PUBLICKEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_PUBLICKEYBYTES;
const CRYPTO_BOX_KEYPAIRBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES;
const CRYPTO_BOX_MACBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_MACBYTES;
const CRYPTO_BOX_NONCEBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_NONCEBYTES;
const CRYPTO_BOX_SEEDBYTES = ParagonIE_Sodium_Compat::CRYPTO_BOX_SEEDBYTES;
const CRYPTO_KX_BYTES = ParagonIE_Sodium_Compat::CRYPTO_KX_BYTES;
const CRYPTO_KX_SEEDBYTES = ParagonIE_Sodium_Compat::CRYPTO_KX_SEEDBYTES;
const CRYPTO_KX_PUBLICKEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_KX_PUBLICKEYBYTES;
const CRYPTO_KX_SECRETKEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_KX_SECRETKEYBYTES;
const CRYPTO_GENERICHASH_BYTES = ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES;
const CRYPTO_GENERICHASH_BYTES_MIN = ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES_MIN;
const CRYPTO_GENERICHASH_BYTES_MAX = ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES_MAX;
const CRYPTO_GENERICHASH_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_KEYBYTES;
const CRYPTO_GENERICHASH_KEYBYTES_MIN = ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_KEYBYTES_MIN;
const CRYPTO_GENERICHASH_KEYBYTES_MAX = ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_KEYBYTES_MAX;
const CRYPTO_SCALARMULT_BYTES = ParagonIE_Sodium_Compat::CRYPTO_SCALARMULT_BYTES;
const CRYPTO_SCALARMULT_SCALARBYTES = ParagonIE_Sodium_Compat::CRYPTO_SCALARMULT_SCALARBYTES;
const CRYPTO_SHORTHASH_BYTES = ParagonIE_Sodium_Compat::CRYPTO_SHORTHASH_BYTES;
const CRYPTO_SHORTHASH_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_SHORTHASH_KEYBYTES;
const CRYPTO_SECRETBOX_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_KEYBYTES;
const CRYPTO_SECRETBOX_MACBYTES = ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_MACBYTES;
const CRYPTO_SECRETBOX_NONCEBYTES = ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_NONCEBYTES;
const CRYPTO_SIGN_BYTES = ParagonIE_Sodium_Compat::CRYPTO_SIGN_BYTES;
const CRYPTO_SIGN_SEEDBYTES = ParagonIE_Sodium_Compat::CRYPTO_SIGN_SEEDBYTES;
const CRYPTO_SIGN_PUBLICKEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_SIGN_PUBLICKEYBYTES;
const CRYPTO_SIGN_SECRETKEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_SIGN_SECRETKEYBYTES;
const CRYPTO_SIGN_KEYPAIRBYTES = ParagonIE_Sodium_Compat::CRYPTO_SIGN_KEYPAIRBYTES;
const CRYPTO_STREAM_KEYBYTES = ParagonIE_Sodium_Compat::CRYPTO_STREAM_KEYBYTES;
const CRYPTO_STREAM_NONCEBYTES = ParagonIE_Sodium_Compat::CRYPTO_STREAM_NONCEBYTES;
PKQ4FZ̉��**stream-xchacha20.phpnu�[���<?php

if (!is_callable('sodium_crypto_stream_xchacha20')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_xchacha20()
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_stream_xchacha20($len, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream_xchacha20($len, $nonce, $key, true);
    }
}
if (!is_callable('sodium_crypto_stream_xchacha20_keygen')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_xchacha20_keygen()
     * @return string
     * @throws Exception
     */
    function sodium_crypto_stream_xchacha20_keygen()
    {
        return ParagonIE_Sodium_Compat::crypto_stream_xchacha20_keygen();
    }
}
if (!is_callable('sodium_crypto_stream_xchacha20_xor')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_xchacha20_xor()
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_stream_xchacha20_xor($message, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream_xchacha20_xor($message, $nonce, $key, true);
    }
}
if (!is_callable('sodium_crypto_stream_xchacha20_xor_ic')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_xchacha20_xor_ic()
     * @param string $message
     * @param string $nonce
     * @param int $counter
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_stream_xchacha20_xor_ic($message, $nonce, $counter, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream_xchacha20_xor_ic($message, $nonce, $counter, $key, true);
    }
}
PKQ4FZb���d`d`sodium_compat.phpnu�[���<?php
namespace Sodium;

require_once dirname(dirname(__FILE__)) . '/autoload.php';

use ParagonIE_Sodium_Compat;

/**
 * This file will monkey patch the pure-PHP implementation in place of the
 * PECL functions, but only if they do not already exist.
 *
 * Thus, the functions just proxy to the appropriate ParagonIE_Sodium_Compat
 * method.
 */
if (!is_callable('\\Sodium\\bin2hex')) {
    /**
     * @see ParagonIE_Sodium_Compat::bin2hex()
     * @param string $string
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function bin2hex($string)
    {
        return ParagonIE_Sodium_Compat::bin2hex($string);
    }
}
if (!is_callable('\\Sodium\\compare')) {
    /**
     * @see ParagonIE_Sodium_Compat::compare()
     * @param string $a
     * @param string $b
     * @return int
     * @throws \SodiumException
     * @throws \TypeError
     */
    function compare($a, $b)
    {
        return ParagonIE_Sodium_Compat::compare($a, $b);
    }
}
if (!is_callable('\\Sodium\\crypto_aead_aes256gcm_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt()
     * @param string $message
     * @param string $assocData
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function crypto_aead_aes256gcm_decrypt($message, $assocData, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt($message, $assocData, $nonce, $key);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_aead_aes256gcm_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt()
     * @param string $message
     * @param string $assocData
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_aead_aes256gcm_encrypt($message, $assocData, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt($message, $assocData, $nonce, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_aead_aes256gcm_is_available')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available()
     * @return bool
     */
    function crypto_aead_aes256gcm_is_available()
    {
        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available();
    }
}
if (!is_callable('\\Sodium\\crypto_aead_chacha20poly1305_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt()
     * @param string $message
     * @param string $assocData
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function crypto_aead_chacha20poly1305_decrypt($message, $assocData, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt($message, $assocData, $nonce, $key);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_aead_chacha20poly1305_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt()
     * @param string $message
     * @param string $assocData
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_aead_chacha20poly1305_encrypt($message, $assocData, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt($message, $assocData, $nonce, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_aead_chacha20poly1305_ietf_decrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt()
     * @param string $message
     * @param string $assocData
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function crypto_aead_chacha20poly1305_ietf_decrypt($message, $assocData, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt($message, $assocData, $nonce, $key);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_aead_chacha20poly1305_ietf_encrypt')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt()
     * @param string $message
     * @param string $assocData
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_aead_chacha20poly1305_ietf_encrypt($message, $assocData, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt($message, $assocData, $nonce, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_auth')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_auth()
     * @param string $message
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_auth($message, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_auth($message, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_auth_verify')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_auth_verify()
     * @param string $mac
     * @param string $message
     * @param string $key
     * @return bool
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_auth_verify($mac, $message, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_auth_verify($mac, $message, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_box')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box()
     * @param string $message
     * @param string $nonce
     * @param string $kp
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box($message, $nonce, $kp)
    {
        return ParagonIE_Sodium_Compat::crypto_box($message, $nonce, $kp);
    }
}
if (!is_callable('\\Sodium\\crypto_box_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_keypair()
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box_keypair()
    {
        return ParagonIE_Sodium_Compat::crypto_box_keypair();
    }
}
if (!is_callable('\\Sodium\\crypto_box_keypair_from_secretkey_and_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey()
     * @param string $sk
     * @param string $pk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box_keypair_from_secretkey_and_publickey($sk, $pk)
    {
        return ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey($sk, $pk);
    }
}
if (!is_callable('\\Sodium\\crypto_box_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_open()
     * @param string $message
     * @param string $nonce
     * @param string $kp
     * @return string|bool
     */
    function crypto_box_open($message, $nonce, $kp)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_box_open($message, $nonce, $kp);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_box_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_publickey()
     * @param string $keypair
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box_publickey($keypair)
    {
        return ParagonIE_Sodium_Compat::crypto_box_publickey($keypair);
    }
}
if (!is_callable('\\Sodium\\crypto_box_publickey_from_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey()
     * @param string $sk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box_publickey_from_secretkey($sk)
    {
        return ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey($sk);
    }
}
if (!is_callable('\\Sodium\\crypto_box_seal')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_seal_open()
     * @param string $message
     * @param string $publicKey
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box_seal($message, $publicKey)
    {
        return ParagonIE_Sodium_Compat::crypto_box_seal($message, $publicKey);
    }
}
if (!is_callable('\\Sodium\\crypto_box_seal_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_seal_open()
     * @param string $message
     * @param string $kp
     * @return string|bool
     */
    function crypto_box_seal_open($message, $kp)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_box_seal_open($message, $kp);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_box_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_box_secretkey()
     * @param string $keypair
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_box_secretkey($keypair)
    {
        return ParagonIE_Sodium_Compat::crypto_box_secretkey($keypair);
    }
}
if (!is_callable('\\Sodium\\crypto_generichash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash()
     * @param string $message
     * @param string|null $key
     * @param int $outLen
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_generichash($message, $key = null, $outLen = 32)
    {
        return ParagonIE_Sodium_Compat::crypto_generichash($message, $key, $outLen);
    }
}
if (!is_callable('\\Sodium\\crypto_generichash_final')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_final()
     * @param string|null $ctx
     * @param int $outputLength
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_generichash_final(&$ctx, $outputLength = 32)
    {
        return ParagonIE_Sodium_Compat::crypto_generichash_final($ctx, $outputLength);
    }
}
if (!is_callable('\\Sodium\\crypto_generichash_init')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_init()
     * @param string|null $key
     * @param int $outLen
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_generichash_init($key = null, $outLen = 32)
    {
        return ParagonIE_Sodium_Compat::crypto_generichash_init($key, $outLen);
    }
}
if (!is_callable('\\Sodium\\crypto_generichash_update')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_generichash_update()
     * @param string|null $ctx
     * @param string $message
     * @return void
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_generichash_update(&$ctx, $message = '')
    {
        ParagonIE_Sodium_Compat::crypto_generichash_update($ctx, $message);
    }
}
if (!is_callable('\\Sodium\\crypto_kx')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_kx()
     * @param string $my_secret
     * @param string $their_public
     * @param string $client_public
     * @param string $server_public
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_kx($my_secret, $their_public, $client_public, $server_public)
    {
        return ParagonIE_Sodium_Compat::crypto_kx(
            $my_secret,
            $their_public,
            $client_public,
            $server_public,
            true
        );
    }
}
if (!is_callable('\\Sodium\\crypto_pwhash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash()
     * @param int $outlen
     * @param string $passwd
     * @param string $salt
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit);
    }
}
if (!is_callable('\\Sodium\\crypto_pwhash_str')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str()
     * @param string $passwd
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_pwhash_str($passwd, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_str($passwd, $opslimit, $memlimit);
    }
}
if (!is_callable('\\Sodium\\crypto_pwhash_str_verify')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_verify()
     * @param string $passwd
     * @param string $hash
     * @return bool
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_pwhash_str_verify($passwd, $hash)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_str_verify($passwd, $hash);
    }
}
if (!is_callable('\\Sodium\\crypto_pwhash_scryptsalsa208sha256')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256()
     * @param int $outlen
     * @param string $passwd
     * @param string $salt
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit);
    }
}
if (!is_callable('\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str()
     * @param string $passwd
     * @param int $opslimit
     * @param int $memlimit
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit);
    }
}
if (!is_callable('\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str_verify')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify()
     * @param string $passwd
     * @param string $hash
     * @return bool
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
    {
        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash);
    }
}
if (!is_callable('\\Sodium\\crypto_scalarmult')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult()
     * @param string $n
     * @param string $p
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_scalarmult($n, $p)
    {
        return ParagonIE_Sodium_Compat::crypto_scalarmult($n, $p);
    }
}
if (!is_callable('\\Sodium\\crypto_scalarmult_base')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_base()
     * @param string $n
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_scalarmult_base($n)
    {
        return ParagonIE_Sodium_Compat::crypto_scalarmult_base($n);
    }
}
if (!is_callable('\\Sodium\\crypto_secretbox')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_secretbox()
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_secretbox($message, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_secretbox($message, $nonce, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_secretbox_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_secretbox_open()
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string|bool
     */
    function crypto_secretbox_open($message, $nonce, $key)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_secretbox_open($message, $nonce, $key);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_shorthash')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_shorthash()
     * @param string $message
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_shorthash($message, $key = '')
    {
        return ParagonIE_Sodium_Compat::crypto_shorthash($message, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_sign')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign()
     * @param string $message
     * @param string $sk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign($message, $sk)
    {
        return ParagonIE_Sodium_Compat::crypto_sign($message, $sk);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_detached')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_detached()
     * @param string $message
     * @param string $sk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_detached($message, $sk)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_detached($message, $sk);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair()
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_keypair()
    {
        return ParagonIE_Sodium_Compat::crypto_sign_keypair();
    }
}
if (!is_callable('\\Sodium\\crypto_sign_open')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_open()
     * @param string $signedMessage
     * @param string $pk
     * @return string|bool
     */
    function crypto_sign_open($signedMessage, $pk)
    {
        try {
            return ParagonIE_Sodium_Compat::crypto_sign_open($signedMessage, $pk);
        } catch (\TypeError $ex) {
            return false;
        } catch (\SodiumException $ex) {
            return false;
        }
    }
}
if (!is_callable('\\Sodium\\crypto_sign_publickey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey()
     * @param string $keypair
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_publickey($keypair)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_publickey($keypair);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_publickey_from_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()
     * @param string $sk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_publickey_from_secretkey($sk)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey($sk);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_secretkey')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_secretkey()
     * @param string $keypair
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_secretkey($keypair)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_secretkey($keypair);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_seed_keypair')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_seed_keypair()
     * @param string $seed
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_seed_keypair($seed)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_seed_keypair($seed);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_verify_detached')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_verify_detached()
     * @param string $signature
     * @param string $message
     * @param string $pk
     * @return bool
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_verify_detached($signature, $message, $pk)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_verify_detached($signature, $message, $pk);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_ed25519_pk_to_curve25519')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519()
     * @param string $pk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_ed25519_pk_to_curve25519($pk)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519($pk);
    }
}
if (!is_callable('\\Sodium\\crypto_sign_ed25519_sk_to_curve25519')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519()
     * @param string $sk
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_sign_ed25519_sk_to_curve25519($sk)
    {
        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519($sk);
    }
}
if (!is_callable('\\Sodium\\crypto_stream')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream()
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_stream($len, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream($len, $nonce, $key);
    }
}
if (!is_callable('\\Sodium\\crypto_stream_xor')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_stream_xor()
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function crypto_stream_xor($message, $nonce, $key)
    {
        return ParagonIE_Sodium_Compat::crypto_stream_xor($message, $nonce, $key);
    }
}
if (!is_callable('\\Sodium\\hex2bin')) {
    /**
     * @see ParagonIE_Sodium_Compat::hex2bin()
     * @param string $string
     * @return string
     * @throws \SodiumException
     * @throws \TypeError
     */
    function hex2bin($string)
    {
        return ParagonIE_Sodium_Compat::hex2bin($string);
    }
}
if (!is_callable('\\Sodium\\memcmp')) {
    /**
     * @see ParagonIE_Sodium_Compat::memcmp()
     * @param string $a
     * @param string $b
     * @return int
     * @throws \SodiumException
     * @throws \TypeError
     */
    function memcmp($a, $b)
    {
        return ParagonIE_Sodium_Compat::memcmp($a, $b);
    }
}
if (!is_callable('\\Sodium\\memzero')) {
    /**
     * @see ParagonIE_Sodium_Compat::memzero()
     * @param string $str
     * @return void
     * @throws \SodiumException
     * @throws \TypeError
     *
     * @psalm-suppress MissingParamType
     * @psalm-suppress MissingReturnType
     * @psalm-suppress ReferenceConstraintViolation
     */
    function memzero(&$str)
    {
        ParagonIE_Sodium_Compat::memzero($str);
    }
}
if (!is_callable('\\Sodium\\randombytes_buf')) {
    /**
     * @see ParagonIE_Sodium_Compat::randombytes_buf()
     * @param int $amount
     * @return string
     * @throws \TypeError
     */
    function randombytes_buf($amount)
    {
        return ParagonIE_Sodium_Compat::randombytes_buf($amount);
    }
}

if (!is_callable('\\Sodium\\randombytes_uniform')) {
    /**
     * @see ParagonIE_Sodium_Compat::randombytes_uniform()
     * @param int $upperLimit
     * @return int
     * @throws \SodiumException
     * @throws \Error
     */
    function randombytes_uniform($upperLimit)
    {
        return ParagonIE_Sodium_Compat::randombytes_uniform($upperLimit);
    }
}

if (!is_callable('\\Sodium\\randombytes_random16')) {
    /**
     * @see ParagonIE_Sodium_Compat::randombytes_random16()
     * @return int
     */
    function randombytes_random16()
    {
        return ParagonIE_Sodium_Compat::randombytes_random16();
    }
}

if (!defined('\\Sodium\\CRYPTO_AUTH_BYTES')) {
    require_once dirname(__FILE__) . '/constants.php';
}
PKQ4FZٺ�d**ristretto255.phpnu�[���<?php

if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_BYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_BYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_BYTES
    );
    define('SODIUM_COMPAT_POLYFILLED_RISTRETTO255', true);
}
if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_HASHBYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_HASHBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_HASHBYTES
    );
}
if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_SCALARBYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_SCALARBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_SCALARBYTES
    );
}
if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES
    );
}
if (!defined('SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES')) {
    define(
        'SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES
    );
}
if (!defined('SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_BYTES')) {
    define(
        'SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_BYTES',
        ParagonIE_Sodium_Compat::CRYPTO_SCALARMULT_RISTRETTO255_BYTES
    );
}

if (!is_callable('sodium_crypto_core_ristretto255_add')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_add()
     *
     * @param string $p
     * @param string $q
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_add($p, $q)
    {
        return ParagonIE_Sodium_Compat::ristretto255_add($p, $q, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_from_hash')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_from_hash()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_from_hash($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_from_hash($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_is_valid_point')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_is_valid_point()
     *
     * @param string $s
     * @return bool
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_is_valid_point($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_is_valid_point($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_random')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_random()
     *
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_random()
    {
        return ParagonIE_Sodium_Compat::ristretto255_random(true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_add')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_add()
     *
     * @param string $x
     * @param string $y
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_add($x, $y)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_add($x, $y, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_complement')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_complement()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_complement($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_complement($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_invert')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_invert()
     *
     * @param string $p
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_invert($p)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_invert($p, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_mul')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_mul()
     *
     * @param string $x
     * @param string $y
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_mul($x, $y)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_mul($x, $y, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_negate')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_negate()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_negate($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_negate($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_random')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_random()
     *
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_random()
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_random(true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_reduce')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_reduce()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_reduce($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_reduce($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_sub')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_sub()
     *
     * @param string $x
     * @param string $y
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_sub($x, $y)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_sub($x, $y, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_sub')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_sub()
     *
     * @param string $p
     * @param string $q
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_sub($p, $q)
    {
        return ParagonIE_Sodium_Compat::ristretto255_sub($p, $q, true);
    }
}
if (!is_callable('sodium_crypto_scalarmult_ristretto255')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_ristretto255()
     * @param string $n
     * @param string $p
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_scalarmult_ristretto255($n, $p)
    {
        return ParagonIE_Sodium_Compat::scalarmult_ristretto255($n, $p, true);
    }
}
if (!is_callable('sodium_crypto_scalarmult_ristretto255_base')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_ristretto255_base()
     * @param string $n
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_scalarmult_ristretto255_base($n)
    {
        return ParagonIE_Sodium_Compat::scalarmult_ristretto255_base($n, true);
    }
}PK}QFZ�{��

orm.phpnu�[���<?php

namespace Yoast\WP\Lib;

use ArrayAccess;
use Exception;
use InvalidArgumentException;
use ReturnTypeWillChange;
use wpdb;
use Yoast\WP\SEO\Config\Migration_Status;

/**
 * Yoast ORM class.
 *
 * Based on Idiorm
 *
 * URL: http://github.com/j4mie/idiorm/
 *
 * A single-class super-simple database abstraction layer for PHP.
 * Provides (nearly) zero-configuration object-relational mapping
 * and a fluent interface for building basic, commonly-used queries.
 *
 * BSD Licensed.
 *
 * Copyright (c) 2010, Jamie Matthews
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The methods documented below are magic methods that conform to PSR-1.
 * This documentation exposes these methods to doc generators and IDEs.
 *
 * @see http://www.php-fig.org/psr/psr-1/
 */
class ORM implements ArrayAccess {

	/*
	 * --- CLASS CONSTANTS ---
	 */

	public const CONDITION_FRAGMENT = 0;

	public const CONDITION_VALUES = 1;

	/*
	 * --- INSTANCE PROPERTIES ---
	 */

	/**
	 * Holds the class name. Wrapped find_one and find_many classes will return an instance or instances of this class.
	 *
	 * @var string
	 */
	protected $class_name;

	/**
	 * Holds the name of the table the current ORM instance is associated with.
	 *
	 * @var string
	 */
	protected $table_name;

	/**
	 * Holds the alias for the table to be used in SELECT queries.
	 *
	 * @var string
	 */
	protected $table_alias = null;

	/**
	 * Values to be bound to the query.
	 *
	 * @var array
	 */
	protected $values = [];

	/**
	 * Columns to select in the result.
	 *
	 * @var array
	 */
	protected $result_columns = [ '*' ];

	/**
	 * Are we using the default result column or have these been manually changed?
	 *
	 * @var bool
	 */
	protected $using_default_result_columns = true;

	/**
	 * Holds the join sources.
	 *
	 * @var array
	 */
	protected $join_sources = [];

	/**
	 * Should the query include a DISTINCT keyword?
	 *
	 * @var bool
	 */
	protected $distinct = false;

	/**
	 * Is this a raw query?
	 *
	 * @var bool
	 */
	protected $is_raw_query = false;

	/**
	 * The raw query.
	 *
	 * @var string
	 */
	protected $raw_query = '';

	/**
	 * The raw query parameters.
	 *
	 * @var array
	 */
	protected $raw_parameters = [];

	/**
	 * Array of WHERE clauses.
	 *
	 * @var array
	 */
	protected $where_conditions = [];

	/**
	 * LIMIT.
	 *
	 * @var int
	 */
	protected $limit = null;

	/**
	 * OFFSET.
	 *
	 * @var int
	 */
	protected $offset = null;

	/**
	 * ORDER BY.
	 *
	 * @var array
	 */
	protected $order_by = [];

	/**
	 * GROUP BY.
	 *
	 * @var array
	 */
	protected $group_by = [];

	/**
	 * HAVING.
	 *
	 * @var array
	 */
	protected $having_conditions = [];

	/**
	 * The data for a hydrated instance of the class.
	 *
	 * @var array
	 */
	protected $data = [];

	/**
	 * Lifetime of the object.
	 *
	 * @var array
	 */
	protected $dirty_fields = [];

	/**
	 * Fields that are to be inserted in the DB raw.
	 *
	 * @var array
	 */
	protected $expr_fields = [];

	/**
	 * Is this a new object (has create() been called)?
	 *
	 * @var bool
	 */
	protected $is_new = false;

	/**
	 * Name of the column to use as the primary key for
	 * this instance only. Overrides the config settings.
	 *
	 * @var string
	 */
	protected $instance_id_column = null;

	/*
	 * --- STATIC METHODS ---
	 */

	/**
	 * Factory method, return an instance of this class bound to the supplied
	 * table name.
	 *
	 * A repeat of content in parent::for_table, so that created class is ORM.
	 *
	 * @param string $table_name The table to create instance for.
	 *
	 * @return ORM Instance of the ORM.
	 */
	public static function for_table( $table_name ) {
		return new static( $table_name, [] );
	}

	/**
	 * Executes a raw query as a wrapper for wpdb::query.
	 * Useful for queries that can't be accomplished through Idiorm,
	 * particularly those using engine-specific features.
	 *
	 * @example raw_execute('INSERT OR REPLACE INTO `widget` (`id`, `name`) SELECT `id`, `name` FROM `other_table`')
	 * @example raw_execute('SELECT `name`, AVG(`order`) FROM `customer` GROUP BY `name` HAVING AVG(`order`) > 10')
	 *
	 * @param string $query      The raw SQL query.
	 * @param array  $parameters Optional bound parameters.
	 *
	 * @return bool Success.
	 */
	public static function raw_execute( $query, $parameters = [] ) {
		return self::execute( $query, $parameters );
	}

	/**
	 * Internal helper method for executing statements.
	 *
	 * @param string $query      The query.
	 * @param array  $parameters An array of parameters to be bound in to the query.
	 *
	 * @return bool|int Response of wpdb::query
	 */
	protected static function execute( $query, $parameters = [] ) {
		/**
		 * The global WordPress database variable.
		 *
		 * @var wpdb
		 */
		global $wpdb;

		$show_errors = $wpdb->show_errors;

		if ( \YoastSEO()->classes->get( Migration_Status::class )->get_error( 'free' ) ) {
			$wpdb->show_errors = false;
		}

		$parameters = \array_filter(
			$parameters,
			static function ( $parameter ) {
				return $parameter !== null;
			}
		);
		if ( ! empty( $parameters ) ) {
			$query = $wpdb->prepare( $query, $parameters );
		}

		$result = $wpdb->query( $query );

		$wpdb->show_errors = $show_errors;

		return $result;
	}

	/*
	 * --- INSTANCE METHODS ---
	 */

	/**
	 * "Private" constructor; shouldn't be called directly.
	 * Use the ORM::for_table factory method instead.
	 *
	 * @param string $table_name Table name.
	 * @param array  $data       Data to populate table.
	 */
	protected function __construct( $table_name, $data = [] ) {
		$this->table_name = $table_name;
		$this->data       = $data;
	}

	/**
	 * Sets the name of the class which the wrapped methods should return instances of.
	 *
	 * @param string $class_name The classname to set.
	 *
	 * @return void
	 */
	public function set_class_name( $class_name ) {
		$this->class_name = $class_name;
	}

	/**
	 * Creates a new, empty instance of the class. Used to add a new row to your database. May optionally be passed an
	 * associative array of data to populate the instance. If so, all fields will be flagged as dirty so all will be
	 * saved to the database when save() is called.
	 *
	 * @param array|null $data Data to populate table.
	 *
	 * @return bool|Model|ORM
	 */
	public function create( $data = null ) {
		$this->is_new = true;
		if ( ! \is_null( $data ) ) {
			$this->hydrate( $data )->force_all_dirty();
		}

		return $this->create_model_instance( $this );
	}

	/**
	 * Specifies the ID column to use for this instance or array of instances only.
	 * This overrides the id_column and id_column_overrides settings.
	 *
	 * This is mostly useful for libraries built on top of Idiorm, and will not normally be used in manually built
	 * queries. If you don't know why you would want to use this, you should probably just ignore it.
	 *
	 * @param string $id_column The ID column.
	 *
	 * @return ORM
	 */
	public function use_id_column( $id_column ) {
		$this->instance_id_column = $id_column;

		return $this;
	}

	/**
	 * Creates an ORM instance from the given row (an associative array of data fetched from the database).
	 *
	 * @param array $row A row from the database.
	 *
	 * @return bool|Model
	 */
	protected function create_instance_from_row( $row ) {
		$instance = self::for_table( $this->table_name );
		$instance->use_id_column( $this->instance_id_column );
		$instance->hydrate( $row );

		return $this->create_model_instance( $instance );
	}

	/**
	 * Tells the ORM that you are expecting a single result back from your query, and execute it. Will return a single
	 * instance of the ORM class, or false if no rows were returned. As a shortcut, you may supply an ID as a parameter
	 * to this method. This will perform a primary key lookup on the table.
	 *
	 * @param int|null $id An (optional) ID.
	 *
	 * @return bool|Model
	 */
	public function find_one( $id = null ) {
		if ( ! \is_null( $id ) ) {
			$this->where_id_is( $id );
		}
		$this->limit( 1 );
		$rows = $this->run();
		if ( empty( $rows ) ) {
			return false;
		}

		return $this->create_instance_from_row( $rows[0] );
	}

	/**
	 * Tells the ORM that you are expecting multiple results from your query, and execute it. Will return an array of
	 * instances of the ORM class, or an empty array if no rows were returned.
	 *
	 * @return array
	 */
	public function find_many() {
		$rows = $this->run();

		if ( $rows === false ) {
			return [];
		}

		return \array_map( [ $this, 'create_instance_from_row' ], $rows );
	}

	/**
	 * Creates an instance of the model class associated with this wrapper and populate it with the supplied Idiorm
	 * instance.
	 *
	 * @param ORM $orm The ORM used by model.
	 *
	 * @return bool|Model Instance of the model class.
	 */
	protected function create_model_instance( $orm ) {
		if ( $orm === false ) {
			return false;
		}

		/**
		 * An instance of Model is being made.
		 *
		 * @var Model $model
		 */
		$model = new $this->class_name();
		$model->set_orm( $orm );

		return $model;
	}

	/**
	 * Tells the ORM that you are expecting multiple results from your query, and execute it. Will return an array, or
	 * an empty array if no rows were returned.
	 *
	 * @return array The query results.
	 */
	public function find_array() {
		return $this->run();
	}

	/**
	 * Tells the ORM that you wish to execute a COUNT query.
	 *
	 * @param string $column The table column.
	 *
	 * @return float|int An integer representing the number of rows returned.
	 */
	public function count( $column = '*' ) {
		return $this->call_aggregate_db_function( __FUNCTION__, $column );
	}

	/**
	 * Tells the ORM that you wish to execute a MAX query.
	 *
	 * @param string $column The table column.
	 *
	 * @return float|int The max value of the chosen column.
	 */
	public function max( $column ) {
		return $this->call_aggregate_db_function( __FUNCTION__, $column );
	}

	/**
	 * Tells the ORM that you wish to execute a MIN query.
	 *
	 * @param string $column The table column.
	 *
	 * @return float|int The min value of the chosen column.
	 */
	public function min( $column ) {
		return $this->call_aggregate_db_function( __FUNCTION__, $column );
	}

	/**
	 * Tells the ORM that you wish to execute a AVG query.
	 *
	 * @param string $column The table column.
	 *
	 * @return float|int The average value of the chosen column.
	 */
	public function avg( $column ) {
		return $this->call_aggregate_db_function( __FUNCTION__, $column );
	}

	/**
	 * Tells the ORM that you wish to execute a SUM query.
	 *
	 * @param string $column The table column.
	 *
	 * @return float|int The sum of the chosen column.
	 */
	public function sum( $column ) {
		return $this->call_aggregate_db_function( __FUNCTION__, $column );
	}

	/**
	 * Returns the select query as SQL.
	 *
	 * @return string The select query in SQL.
	 */
	public function get_sql() {
		return $this->build_select();
	}

	/**
	 * Returns the update query as SQL.
	 *
	 * @return string The update query in SQL.
	 */
	public function get_update_sql() {
		return $this->build_update();
	}

	/**
	 * Executes an aggregate query on the current connection.
	 *
	 * @param string $sql_function The aggregate function to call eg. MIN, COUNT, etc.
	 * @param string $column       The column to execute the aggregate query against.
	 *
	 * @return int
	 */
	protected function call_aggregate_db_function( $sql_function, $column ) {
		$alias        = \strtolower( $sql_function );
		$sql_function = \strtoupper( $sql_function );
		if ( $column !== '*' ) {
			$column = $this->quote_identifier( $column );
		}
		$result_columns       = $this->result_columns;
		$this->result_columns = [];
		$this->select_expr( "{$sql_function}({$column})", $alias );
		$result               = $this->find_one();
		$this->result_columns = $result_columns;
		$return_value         = 0;
		if ( $result !== false && isset( $result->{$alias} ) ) {
			if ( ! \is_numeric( $result->{$alias} ) ) {
				$return_value = $result->{$alias};
			}
			// phpcs:ignore Universal.Operators.StrictComparisons -- Reason: This loose comparison seems intentional.
			elseif ( (int) $result->{$alias} == (float) $result->{$alias} ) {
				$return_value = (int) $result->{$alias};
			}
			else {
				$return_value = (float) $result->{$alias};
			}
		}

		return $return_value;
	}

	/**
	 * Hydrates (populate) this instance of the class from an associative array of data. This will usually be called
	 * only from inside the class, but it's public in case you need to call it directly.
	 *
	 * @param array $data Data to populate table.
	 *
	 * @return ORM
	 */
	public function hydrate( $data = [] ) {
		$this->data = $data;

		return $this;
	}

	/**
	 * Forces the ORM to flag all the fields in the $data array as "dirty" and therefore update them when save() is
	 * called.
	 *
	 * @return ORM
	 */
	public function force_all_dirty() {
		$this->dirty_fields = $this->data;

		return $this;
	}

	/**
	 * Performs a raw query. The query can contain placeholders in either named or question mark style. If placeholders
	 * are used, the parameters should be an array of values which will be bound to the placeholders in the query.
	 * If this method is called, all other query building methods will be ignored.
	 *
	 * @param array $query      The query.
	 * @param array $parameters The parameters. Defaults to an empty array.
	 *
	 * @return ORM
	 */
	public function raw_query( $query, $parameters = [] ) {
		$this->is_raw_query   = true;
		$this->raw_query      = $query;
		$this->raw_parameters = $parameters;

		return $this;
	}

	/**
	 * Adds an alias for the main table to be used in SELECT queries.
	 *
	 * @param string $alias The alias.
	 *
	 * @return ORM
	 */
	public function table_alias( $alias ) {
		$this->table_alias = $alias;

		return $this;
	}

	/**
	 * Adds an unquoted expression to the set of columns returned by the SELECT query. Internal method.
	 *
	 * @param string      $expr  The expression.
	 * @param string|null $alias The alias to return the expression as. Defaults to null.
	 *
	 * @return ORM
	 */
	protected function add_result_column( $expr, $alias = null ) {
		if ( ! \is_null( $alias ) ) {
			$expr .= ' AS ' . $this->quote_identifier( $alias );
		}
		if ( $this->using_default_result_columns ) {
			$this->result_columns               = [ $expr ];
			$this->using_default_result_columns = false;
		}
		else {
			$this->result_columns[] = $expr;
		}

		return $this;
	}

	/**
	 * Counts the number of columns that belong to the primary key and their value is null.
	 *
	 * @return int The amount of null columns.
	 *
	 * @throws Exception Primary key ID contains null value(s).
	 * @throws Exception Primary key ID missing from row or is null.
	 */
	public function count_null_id_columns() {
		if ( \is_array( $this->get_id_column_name() ) ) {
			return \count( \array_filter( $this->id(), 'is_null' ) );
		}
		else {
			return \is_null( $this->id() ) ? 1 : 0;
		}
	}

	/**
	 * Adds a column to the list of columns returned by the SELECT query.
	 *
	 * @param string      $column The column. Defaults to '*'.
	 * @param string|null $alias  The alias to return the column as. Defaults to null.
	 *
	 * @return ORM
	 */
	public function select( $column, $alias = null ) {
		$column = $this->quote_identifier( $column );

		return $this->add_result_column( $column, $alias );
	}

	/**
	 * Adds an unquoted expression to the list of columns returned by the SELECT query.
	 *
	 * @param string      $expr  The expression.
	 * @param string|null $alias The alias to return the column as. Defaults to null.
	 *
	 * @return ORM
	 */
	public function select_expr( $expr, $alias = null ) {
		return $this->add_result_column( $expr, $alias );
	}

	/**
	 * Adds columns to the list of columns returned by the SELECT query.
	 *
	 * This defaults to '*'.
	 * Many columns can be supplied as either an array or as a list of parameters to the method.
	 * Note that the alias must not be numeric - if you want a numeric alias then prepend it with some alpha chars. eg.
	 * a1.
	 *
	 * @example select_many(array('column', 'column2', 'column3'), 'column4', 'column5');
	 * @example select_many(array('alias' => 'column', 'column2', 'alias2' => 'column3'), 'column4', 'column5');
	 * @example select_many('column', 'column2', 'column3');
	 *
	 * @return ORM
	 */
	public function select_many() {
		$columns = \func_get_args();
		if ( ! empty( $columns ) ) {
			$columns = $this->normalise_select_many_columns( $columns );
			foreach ( $columns as $alias => $column ) {
				if ( \is_numeric( $alias ) ) {
					$alias = null;
				}
				$this->select( $column, $alias );
			}
		}

		return $this;
	}

	/**
	 * Adds an unquoted expression to the list of columns returned by the SELECT query.
	 *
	 * Many columns can be supplied as either an array or as a list of parameters to the method.
	 * Note that the alias must not be numeric - if you want a numeric alias then prepend it with some alpha chars. eg.
	 * a1
	 *
	 * @example select_many_expr(array('alias' => 'column', 'column2', 'alias2' => 'column3'), 'column4', 'column5')
	 * @example select_many_expr('column', 'column2', 'column3')
	 * @example select_many_expr(array('column', 'column2', 'column3'), 'column4', 'column5')
	 *
	 * @return ORM
	 */
	public function select_many_expr() {
		$columns = \func_get_args();
		if ( ! empty( $columns ) ) {
			$columns = $this->normalise_select_many_columns( $columns );
			foreach ( $columns as $alias => $column ) {
				if ( \is_numeric( $alias ) ) {
					$alias = null;
				}
				$this->select_expr( $column, $alias );
			}
		}

		return $this;
	}

	/**
	 * Takes a column specification for the select many methods and convert it into a normalised array of columns and
	 * aliases.
	 *
	 * It is designed to turn the following styles into a normalised array:
	 * array(array('alias' => 'column', 'column2', 'alias2' => 'column3'), 'column4', 'column5'))
	 *
	 * @param array $columns The columns.
	 *
	 * @return array
	 */
	protected function normalise_select_many_columns( $columns ) {
		$return = [];
		foreach ( $columns as $column ) {
			if ( \is_array( $column ) ) {
				foreach ( $column as $key => $value ) {
					if ( ! \is_numeric( $key ) ) {
						$return[ $key ] = $value;
					}
					else {
						$return[] = $value;
					}
				}
			}
			else {
				$return[] = $column;
			}
		}

		return $return;
	}

	/**
	 * Adds a DISTINCT keyword before the list of columns in the SELECT query.
	 *
	 * @return ORM
	 */
	public function distinct() {
		$this->distinct = true;

		return $this;
	}

	/**
	 * Add a JOIN source to the query. Internal method.
	 *
	 * The join_operator should be one of INNER, LEFT OUTER, CROSS etc - this
	 * will be prepended to JOIN.
	 *
	 * The table should be the name of the table to join to.
	 *
	 * The constraint may be either a string or an array with three elements. If it
	 * is a string, it will be compiled into the query as-is, with no escaping. The
	 * recommended way to supply the constraint is as an array with three elements:
	 *
	 * first_column, operator, second_column
	 *
	 * Example: array('user.id', '=', 'profile.user_id')
	 *
	 * will compile to
	 *
	 * ON `user`.`id` = `profile`.`user_id`
	 *
	 * The final (optional) argument specifies an alias for the joined table.
	 *
	 * @param string      $join_operator The join_operator should be one of INNER, LEFT OUTER, CROSS etc - this will be
	 *                                   prepended to JOIN.
	 * @param string      $table         The table should be the name of the table to join to.
	 * @param string      $constraint    The constraint.
	 * @param string|null $table_alias   The alias for the joined table. Defaults to null.
	 *
	 * @return ORM
	 */
	protected function add_join_source( $join_operator, $table, $constraint, $table_alias = null ) {
		$join_operator = \trim( "{$join_operator} JOIN" );
		$table         = $this->quote_identifier( $table );
		// Add table alias if present.
		if ( ! \is_null( $table_alias ) ) {
			$table_alias = $this->quote_identifier( $table_alias );
			$table      .= " {$table_alias}";
		}
		// Build the constraint.
		if ( \is_array( $constraint ) ) {
			list( $first_column, $operator, $second_column ) = $constraint;

			$first_column  = $this->quote_identifier( $first_column );
			$second_column = $this->quote_identifier( $second_column );
			$constraint    = "{$first_column} {$operator} {$second_column}";
		}
		$this->join_sources[] = "{$join_operator} {$table} ON {$constraint}";

		return $this;
	}

	/**
	 * Adds a RAW JOIN source to the query.
	 *
	 * @param string $table       The table name.
	 * @param string $constraint  The constraint.
	 * @param string $table_alias The table alias.
	 * @param array  $parameters  The parameters. Defaults to an empty array.
	 *
	 * @return ORM
	 */
	public function raw_join( $table, $constraint, $table_alias, $parameters = [] ) {
		// Add table alias if present.
		if ( ! \is_null( $table_alias ) ) {
			$table_alias = $this->quote_identifier( $table_alias );
			$table      .= " {$table_alias}";
		}
		$this->values = \array_merge( $this->values, $parameters );
		// Build the constraint.
		if ( \is_array( $constraint ) ) {
			list( $first_column, $operator, $second_column ) = $constraint;

			$first_column  = $this->quote_identifier( $first_column );
			$second_column = $this->quote_identifier( $second_column );
			$constraint    = "{$first_column} {$operator} {$second_column}";
		}
		$this->join_sources[] = "{$table} ON {$constraint}";

		return $this;
	}

	/**
	 * Adds a simple JOIN source to the query.
	 *
	 * @param string      $table       The table name.
	 * @param string      $constraint  The constraint.
	 * @param string|null $table_alias The table alias. Defaults to null.
	 *
	 * @return ORM
	 */
	public function join( $table, $constraint, $table_alias = null ) {
		return $this->add_join_source( '', $table, $constraint, $table_alias );
	}

	/**
	 * Adds an INNER JOIN source to the query.
	 *
	 * @param string      $table       The table name.
	 * @param string      $constraint  The constraint.
	 * @param string|null $table_alias The table alias. Defaults to null.
	 *
	 * @return ORM
	 */
	public function inner_join( $table, $constraint, $table_alias = null ) {
		return $this->add_join_source( 'INNER', $table, $constraint, $table_alias );
	}

	/**
	 * Adds a LEFT OUTER JOIN source to the query.
	 *
	 * @param string      $table       The table name.
	 * @param string      $constraint  The constraint.
	 * @param string|null $table_alias The table alias. Defaults to null.
	 *
	 * @return ORM
	 */
	public function left_outer_join( $table, $constraint, $table_alias = null ) {
		return $this->add_join_source( 'LEFT OUTER', $table, $constraint, $table_alias );
	}

	/**
	 * Adds a RIGHT OUTER JOIN source to the query.
	 *
	 * @param string      $table       The table name.
	 * @param string      $constraint  The constraint.
	 * @param string|null $table_alias The table alias. Defaults to null.
	 *
	 * @return ORM
	 */
	public function right_outer_join( $table, $constraint, $table_alias = null ) {
		return $this->add_join_source( 'RIGHT OUTER', $table, $constraint, $table_alias );
	}

	/**
	 * Adds a FULL OUTER JOIN source to the query.
	 *
	 * @param string      $table       The table name.
	 * @param string      $constraint  The constraint.
	 * @param string|null $table_alias The table alias. Defaults to null.
	 *
	 * @return ORM
	 */
	public function full_outer_join( $table, $constraint, $table_alias = null ) {
		return $this->add_join_source( 'FULL OUTER', $table, $constraint, $table_alias );
	}

	/**
	 * Adds a HAVING condition to the query. Internal method.
	 *
	 * @param string $fragment The fragment.
	 * @param array  $values   The values. Defaults to an empty array.
	 *
	 * @return ORM
	 */
	protected function add_having( $fragment, $values = [] ) {
		return $this->add_condition( 'having', $fragment, $values );
	}

	/**
	 * Adds a HAVING condition to the query. Internal method.
	 *
	 * @param string $column_name The table column.
	 * @param string $separator   The separator.
	 * @param mixed  $value       The value.
	 *
	 * @return ORM
	 */
	protected function add_simple_having( $column_name, $separator, $value ) {
		return $this->add_simple_condition( 'having', $column_name, $separator, $value );
	}

	/**
	 * Adds a HAVING clause with multiple values (like IN and NOT IN). Internal method.
	 *
	 * @param string|array $column_name The table column.
	 * @param string       $separator   The separator.
	 * @param array        $values      The values.
	 *
	 * @return ORM
	 */
	public function add_having_placeholder( $column_name, $separator, $values ) {
		if ( ! \is_array( $column_name ) ) {
			$data = [ $column_name => $values ];
		}
		else {
			$data = $column_name;
		}
		$result = $this;
		foreach ( $data as $key => $val ) {
			$column       = $result->quote_identifier( $key );
			$placeholders = $result->create_placeholders( $val );
			$result       = $result->add_having( "{$column} {$separator} ({$placeholders})", $val );
		}

		return $result;
	}

	/**
	 * Adds a HAVING clause with no parameters(like IS NULL and IS NOT NULL). Internal method.
	 *
	 * @param string $column_name The column name.
	 * @param string $operator    The operator.
	 *
	 * @return ORM
	 */
	public function add_having_no_value( $column_name, $operator ) {
		$conditions = \is_array( $column_name ) ? $column_name : [ $column_name ];
		$result     = $this;
		foreach ( $conditions as $column ) {
			$column = $this->quote_identifier( $column );
			$result = $result->add_having( "{$column} {$operator}" );
		}

		return $result;
	}

	/**
	 * Adds a WHERE condition to the query. Internal method.
	 *
	 * @param string $fragment The fragment.
	 * @param array  $values   The values. Defaults to an empty array.
	 *
	 * @return ORM
	 */
	protected function add_where( $fragment, $values = [] ) {
		return $this->add_condition( 'where', $fragment, $values );
	}

	/**
	 * Adds a WHERE condition to the query. Internal method.
	 *
	 * @param string|array $column_name The table column.
	 * @param string       $separator   The separator.
	 * @param mixed        $value       The value.
	 *
	 * @return ORM
	 */
	protected function add_simple_where( $column_name, $separator, $value ) {
		return $this->add_simple_condition( 'where', $column_name, $separator, $value );
	}

	/**
	 * Adds a WHERE clause with multiple values (like IN and NOT IN).
	 *
	 * @param string|array $column_name The table column.
	 * @param string       $separator   The separator.
	 * @param array        $values      The values.
	 *
	 * @return ORM
	 */
	public function add_where_placeholder( $column_name, $separator, $values ) {
		if ( ! \is_array( $column_name ) ) {
			$data = [ $column_name => $values ];
		}
		else {
			$data = $column_name;
		}
		$result = $this;
		foreach ( $data as $key => $val ) {
			$column       = $result->quote_identifier( $key );
			$placeholders = $result->create_placeholders( $val );
			$result       = $result->add_where( "{$column} {$separator} ({$placeholders})", $val );
		}

		return $result;
	}

	/**
	 * Adds a WHERE clause with no parameters(like IS NULL and IS NOT NULL).
	 *
	 * @param string $column_name The column name.
	 * @param string $operator    The operator.
	 *
	 * @return ORM
	 */
	public function add_where_no_value( $column_name, $operator ) {
		$conditions = \is_array( $column_name ) ? $column_name : [ $column_name ];
		$result     = $this;
		foreach ( $conditions as $column ) {
			$column = $this->quote_identifier( $column );
			$result = $result->add_where( "{$column} {$operator}" );
		}

		return $result;
	}

	/**
	 * Adds a HAVING or WHERE condition to the query. Internal method.
	 *
	 * @param string $type     The type.
	 * @param string $fragment The fragment.
	 * @param array  $values   The values. Defaults to empty array.
	 *
	 * @return ORM
	 */
	protected function add_condition( $type, $fragment, $values = [] ) {
		$conditions_class_property_name = "{$type}_conditions";
		if ( ! \is_array( $values ) ) {
			$values = [ $values ];
		}
		\array_push(
			$this->{$conditions_class_property_name},
			[
				self::CONDITION_FRAGMENT => $fragment,
				self::CONDITION_VALUES   => $values,
			]
		);

		return $this;
	}

	/**
	 * Compiles a simple COLUMN SEPARATOR VALUE style HAVING or WHERE condition into a string and value ready to be
	 * passed to the add_condition method.
	 *
	 * Avoids duplication of the call to quote_identifier.
	 * If column_name is an associative array, it will add a condition for each column.
	 *
	 * @param string       $type        The type.
	 * @param string|array $column_name The table column.
	 * @param string       $separator   The separator.
	 * @param mixed        $value       The value.
	 *
	 * @return ORM
	 */
	protected function add_simple_condition( $type, $column_name, $separator, $value ) {
		$multiple = \is_array( $column_name ) ? $column_name : [ $column_name => $value ];
		$result   = $this;
		foreach ( $multiple as $key => $val ) {
			// Add the table name in case of ambiguous columns.
			if ( \count( $result->join_sources ) > 0 && \strpos( $key, '.' ) === false ) {
				$table = $result->table_name;
				if ( ! \is_null( $result->table_alias ) ) {
					$table = $result->table_alias;
				}
				$key = "{$table}.{$key}";
			}
			$key         = $result->quote_identifier( $key );
			$placeholder = ( $val === null ) ? 'NULL' : '%s';
			$result      = $result->add_condition( $type, "{$key} {$separator} {$placeholder}", $val );
		}

		return $result;
	}

	/**
	 * Returns a string containing the given number of question marks, separated by commas. Eg "?, ?, ?".
	 *
	 * @param array $fields Fields to create placeholder for.
	 *
	 * @return string
	 */
	protected function create_placeholders( $fields ) {
		if ( ! empty( $fields ) ) {
			$db_fields = [];
			foreach ( $fields as $key => $value ) {
				// Process expression fields directly into the query.
				if ( \array_key_exists( $key, $this->expr_fields ) ) {
					$db_fields[] = $value;
				}
				else {
					$db_fields[] = ( $value === null ) ? 'NULL' : '%s';
				}
			}

			return \implode( ', ', $db_fields );
		}

		return '';
	}

	/**
	 * Filters a column/value array returning only those columns that belong to a compound primary key.
	 *
	 * If the key contains a column that does not exist in the given array, a null value will be returned for it.
	 *
	 * @param mixed $value The value.
	 *
	 * @return array
	 */
	protected function get_compound_id_column_values( $value ) {
		$filtered = [];
		foreach ( $this->get_id_column_name() as $key ) {
			$filtered[ $key ] = ( $value[ $key ] ?? null );
		}

		return $filtered;
	}

	/**
	 * Filters an array containing compound column/value arrays.
	 *
	 * @param array $values The values.
	 *
	 * @return array
	 */
	protected function get_compound_id_column_values_array( $values ) {
		$filtered = [];
		foreach ( $values as $value ) {
			$filtered[] = $this->get_compound_id_column_values( $value );
		}

		return $filtered;
	}

	/**
	 * Add a WHERE column = value clause to your query. Each time this is called in the chain, an additional WHERE will
	 * be added, and these will be ANDed together when the final query is built.
	 *
	 * If you use an array in $column_name, a new clause will be added for each element. In this case, $value is
	 * ignored.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where( $column_name, $value = null ) {
		return $this->where_equal( $column_name, $value );
	}

	/**
	 * More explicitly named version of for the where() method. Can be used if preferred.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_equal( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, '=', $value );
	}

	/**
	 * Add a WHERE column != value clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_not_equal( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, '!=', $value );
	}

	/**
	 * Queries the table by its primary key. Special method.
	 *
	 * If primary key is compound, only the columns that belong to they key will be used for the query.
	 *
	 * @param string $id The ID.
	 *
	 * @return ORM
	 */
	public function where_id_is( $id ) {
		return \is_array( $this->get_id_column_name() ) ? $this->where( $this->get_compound_id_column_values( $id ), null ) : $this->where( $this->get_id_column_name(), $id );
	}

	/**
	 * Allows adding a WHERE clause that matches any of the conditions specified in the array. Each element in the
	 * associative array will be a different condition, where the key will be the column name.
	 *
	 * By default, an equal operator will be used against all columns, but it can be overriden for any or every column
	 * using the second parameter.
	 *
	 * Each condition will be ORed together when added to the final query.
	 *
	 * @param array  $values   The values.
	 * @param string $operator The operator.
	 *
	 * @return ORM
	 */
	public function where_any_is( $values, $operator = '=' ) {
		$data  = [];
		$query = [ '((' ];
		$first = true;
		foreach ( $values as $value ) {
			if ( $first ) {
				$first = false;
			}
			else {
				$query[] = ') OR (';
			}
			$firstsub = true;
			foreach ( $value as $key => $item ) {
				$op = \is_string( $operator ) ? $operator : ( $operator[ $key ] ?? '=' );
				if ( $op === '=' && $item === null ) {
					$op = 'IS';
				}
				if ( $firstsub ) {
					$firstsub = false;
				}
				else {
					$query[] = 'AND';
				}
				$query[] = $this->quote_identifier( $key );
				$data[]  = $item;
				$query[] = $op;
				$query[] = ( ( $item === null ) ? 'NULL' : '%s' );
			}
		}
		$query[] = '))';

		return $this->where_raw( \implode( ' ', $query ), $data );
	}

	/**
	 * Queries the table by its primary key.
	 *
	 * Similar to where_id_is() but allowing multiple primary keys.
	 * If primary key is compound, only the columns that belong to they key will be used for the query.
	 *
	 * @param string[] $ids The IDs.
	 *
	 * @return ORM
	 */
	public function where_id_in( $ids ) {
		return \is_array( $this->get_id_column_name() ) ? $this->where_any_is( $this->get_compound_id_column_values_array( $ids ) ) : $this->where_in( $this->get_id_column_name(), $ids );
	}

	/**
	 * Adds a WHERE ... LIKE clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_like( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, 'LIKE', $value );
	}

	/**
	 * Adds where WHERE ... NOT LIKE clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_not_like( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, 'NOT LIKE', $value );
	}

	/**
	 * Adds a WHERE ... > clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_gt( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, '>', $value );
	}

	/**
	 * Adds a WHERE ... < clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_lt( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, '<', $value );
	}

	/**
	 * Adds a WHERE ... >= clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_gte( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, '>=', $value );
	}

	/**
	 * Adds a WHERE ... <= clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function where_lte( $column_name, $value = null ) {
		return $this->add_simple_where( $column_name, '<=', $value );
	}

	/**
	 * Adds a WHERE ... IN clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param array        $values      The values.
	 *
	 * @return ORM
	 */
	public function where_in( $column_name, $values ) {
		return $this->add_where_placeholder( $column_name, 'IN', $values );
	}

	/**
	 * Adds a WHERE ... NOT IN clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param array        $values      The values.
	 *
	 * @return ORM
	 */
	public function where_not_in( $column_name, $values ) {
		return $this->add_where_placeholder( $column_name, 'NOT IN', $values );
	}

	/**
	 * Adds a WHERE column IS NULL clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function where_null( $column_name ) {
		return $this->add_where_no_value( $column_name, 'IS NULL' );
	}

	/**
	 * Adds a WHERE column IS NOT NULL clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function where_not_null( $column_name ) {
		return $this->add_where_no_value( $column_name, 'IS NOT NULL' );
	}

	/**
	 * Adds a raw WHERE clause to the query. The clause should contain question mark placeholders, which will be bound
	 * to the parameters supplied in the second argument.
	 *
	 * @param string $clause     The clause that should contain question mark placeholders.
	 * @param array  $parameters The parameters to include in the query.
	 *
	 * @return ORM
	 */
	public function where_raw( $clause, $parameters = [] ) {
		return $this->add_where( $clause, $parameters );
	}

	/**
	 * Adds a LIMIT to the query.
	 *
	 * @param int $limit The limit.
	 *
	 * @return ORM
	 */
	public function limit( $limit ) {
		$this->limit = $limit;

		return $this;
	}

	/**
	 * Adds an OFFSET to the query.
	 *
	 * @param int $offset The offset.
	 *
	 * @return ORM
	 */
	public function offset( $offset ) {
		$this->offset = $offset;

		return $this;
	}

	/**
	 * Adds an ORDER BY clause to the query.
	 *
	 * @param string $column_name The column name.
	 * @param string $ordering    The ordering. DESC or ASC.
	 *
	 * @return ORM
	 */
	protected function add_order_by( $column_name, $ordering ) {
		$column_name      = $this->quote_identifier( $column_name );
		$this->order_by[] = "{$column_name} {$ordering}";

		return $this;
	}

	/**
	 * Adds an ORDER BY column DESC clause.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function order_by_desc( $column_name ) {
		return $this->add_order_by( $column_name, 'DESC' );
	}

	/**
	 * Adds an ORDER BY column ASC clause.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function order_by_asc( $column_name ) {
		return $this->add_order_by( $column_name, 'ASC' );
	}

	/**
	 * Adds an unquoted expression as an ORDER BY clause.
	 *
	 * @param string $clause The clause.
	 *
	 * @return ORM
	 */
	public function order_by_expr( $clause ) {
		$this->order_by[] = $clause;

		return $this;
	}

	/**
	 * Adds a column to the list of columns to GROUP BY.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function group_by( $column_name ) {
		$column_name      = $this->quote_identifier( $column_name );
		$this->group_by[] = $column_name;

		return $this;
	}

	/**
	 * Adds an unquoted expression to the list of columns to GROUP BY.
	 *
	 * @param string $expr The expression.
	 *
	 * @return ORM
	 */
	public function group_by_expr( $expr ) {
		$this->group_by[] = $expr;

		return $this;
	}

	/**
	 * Adds a HAVING column = value clause to your query.
	 *
	 * Each time this is called in the chain, an additional HAVING will be added, and these will be ANDed together when
	 * the final query is built.
	 *
	 * If you use an array in $column_name, a new clause will be added for each element. In this case, $value is
	 * ignored.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value.
	 *
	 * @return ORM
	 */
	public function having( $column_name, $value = null ) {
		return $this->having_equal( $column_name, $value );
	}

	/**
	 * Adds a having equal to your query.
	 *
	 * More explicitly named version of for the having() method. Can be used if preferred.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value.
	 *
	 * @return ORM
	 */
	public function having_equal( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, '=', $value );
	}

	/**
	 * Adds a HAVING column != value clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed|null   $value       The value.
	 *
	 * @return ORM
	 */
	public function having_not_equal( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, '!=', $value );
	}

	/**
	 * Queries the table by its primary key. Special method.
	 *
	 * If primary key is compound, only the columns that belong to they key will be used for the query.
	 *
	 * @param string $id The ID.
	 *
	 * @return ORM
	 */
	public function having_id_is( $id ) {
		return \is_array( $this->get_id_column_name() ) ? $this->having( $this->get_compound_id_column_values( $id ), null ) : $this->having( $this->get_id_column_name(), $id );
	}

	/**
	 * Adds a HAVING ... LIKE clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param string|null  $value       The value.
	 *
	 * @return ORM
	 */
	public function having_like( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, 'LIKE', $value );
	}

	/**
	 * Adds where HAVING ... NOT LIKE clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param string|null  $value       The value.
	 *
	 * @return ORM
	 */
	public function having_not_like( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, 'NOT LIKE', $value );
	}

	/**
	 * Adds a HAVING ... > clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed        $value       The value.
	 *
	 * @return ORM
	 */
	public function having_gt( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, '>', $value );
	}

	/**
	 * Adds a HAVING ... < clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed        $value       The value.
	 *
	 * @return ORM
	 */
	public function having_lt( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, '<', $value );
	}

	/**
	 * Adds a HAVING ... >= clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed        $value       The value. Defaults to null.
	 *
	 * @return ORM
	 */
	public function having_gte( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, '>=', $value );
	}

	/**
	 * Adds a HAVING ... <= clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param mixed        $value       The value.
	 *
	 * @return ORM
	 */
	public function having_lte( $column_name, $value = null ) {
		return $this->add_simple_having( $column_name, '<=', $value );
	}

	/**
	 * Adds a HAVING ... IN clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param array|null   $values      The values. Defaults to null.
	 *
	 * @return ORM
	 */
	public function having_in( $column_name, $values = null ) {
		return $this->add_having_placeholder( $column_name, 'IN', $values );
	}

	/**
	 * Adds a HAVING ... NOT IN clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 * @param array|null   $values      The values. Defaults to null.
	 *
	 * @return ORM
	 */
	public function having_not_in( $column_name, $values = null ) {
		return $this->add_having_placeholder( $column_name, 'NOT IN', $values );
	}

	/**
	 * Adds a HAVING column IS NULL clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function having_null( $column_name ) {
		return $this->add_having_no_value( $column_name, 'IS NULL' );
	}

	/**
	 * Adds a HAVING column IS NOT NULL clause to your query.
	 *
	 * @param string|array $column_name The table column.
	 *
	 * @return ORM
	 */
	public function having_not_null( $column_name ) {
		return $this->add_having_no_value( $column_name, 'IS NOT NULL' );
	}

	/**
	 * Adds a raw HAVING clause to the query. The clause should contain question mark placeholders, which will be bound
	 * to the parameters supplied in the second argument.
	 *
	 * @param string $clause     The clause that should contain question mark placeholders.
	 * @param array  $parameters The parameters to include in the query.
	 *
	 * @return ORM
	 */
	public function having_raw( $clause, $parameters = [] ) {
		return $this->add_having( $clause, $parameters );
	}

	/**
	 * Builds a SELECT statement based on the clauses that have been passed to this instance by chaining method calls.
	 *
	 * @return string
	 */
	protected function build_select() {
		// If the query is raw, just set the $this->values to be the raw query parameters and return the raw query.
		if ( $this->is_raw_query ) {
			$this->values = $this->raw_parameters;

			return $this->raw_query;
		}

		// Build and return the full SELECT statement by concatenating the results of calling each separate builder method.
		return $this->join_if_not_empty(
			' ',
			[
				$this->build_select_start(),
				$this->build_join(),
				$this->build_where(),
				$this->build_group_by(),
				$this->build_having(),
				$this->build_order_by(),
				$this->build_limit(),
				$this->build_offset(),
			]
		);
	}

	/**
	 * Builds the start of the SELECT statement.
	 *
	 * @return string
	 */
	protected function build_select_start() {
		$fragment       = 'SELECT ';
		$result_columns = \implode( ', ', $this->result_columns );
		if ( $this->distinct ) {
			$result_columns = 'DISTINCT ' . $result_columns;
		}
		$fragment .= "{$result_columns} FROM " . $this->quote_identifier( $this->table_name );
		if ( ! \is_null( $this->table_alias ) ) {
			$fragment .= ' ' . $this->quote_identifier( $this->table_alias );
		}

		return $fragment;
	}

	/**
	 * Builds the JOIN sources.
	 *
	 * @return string
	 */
	protected function build_join() {
		if ( \count( $this->join_sources ) === 0 ) {
			return '';
		}

		return \implode( ' ', $this->join_sources );
	}

	/**
	 * Builds the WHERE clause(s).
	 *
	 * @return string
	 */
	protected function build_where() {
		return $this->build_conditions( 'where' );
	}

	/**
	 * Build the HAVING clause(s)
	 *
	 * @return string
	 */
	protected function build_having() {
		return $this->build_conditions( 'having' );
	}

	/**
	 * Builds GROUP BY.
	 *
	 * @return string
	 */
	protected function build_group_by() {
		if ( \count( $this->group_by ) === 0 ) {
			return '';
		}

		return 'GROUP BY ' . \implode( ', ', $this->group_by );
	}

	/**
	 * Builds a WHERE or HAVING clause.
	 *
	 * @param string $type Where or having.
	 *
	 * @return string
	 */
	protected function build_conditions( $type ) {
		$conditions_class_property_name = "{$type}_conditions";
		// If there are no clauses, return empty string.
		if ( \count( $this->{$conditions_class_property_name} ) === 0 ) {
			return '';
		}
		$conditions = [];
		foreach ( $this->{$conditions_class_property_name} as $condition ) {
			$conditions[] = $condition[ self::CONDITION_FRAGMENT ];
			$this->values = \array_merge( $this->values, $condition[ self::CONDITION_VALUES ] );
		}

		return \strtoupper( $type ) . ' ' . \implode( ' AND ', $conditions );
	}

	/**
	 * Builds ORDER BY.
	 *
	 * @return string
	 */
	protected function build_order_by() {
		if ( \count( $this->order_by ) === 0 ) {
			return '';
		}

		return 'ORDER BY ' . \implode( ', ', $this->order_by );
	}

	/**
	 * Builds LIMIT.
	 *
	 * @return string
	 */
	protected function build_limit() {
		if ( ! \is_null( $this->limit ) ) {
			return "LIMIT {$this->limit}";
		}

		return '';
	}

	/**
	 * Builds OFFSET.
	 *
	 * @return string
	 */
	protected function build_offset() {
		if ( ! \is_null( $this->offset ) ) {
			return 'OFFSET ' . $this->offset;
		}

		return '';
	}

	/**
	 * Joins strings if they are not empty.
	 *
	 * @param string   $glue   Glue.
	 * @param string[] $pieces Pieces to join.
	 *
	 * @return string
	 */
	protected function join_if_not_empty( $glue, $pieces ) {
		$filtered_pieces = [];
		foreach ( $pieces as $piece ) {
			if ( \is_string( $piece ) ) {
				$piece = \trim( $piece );
			}
			if ( ! empty( $piece ) ) {
				$filtered_pieces[] = $piece;
			}
		}

		return \implode( $glue, $filtered_pieces );
	}

	/**
	 * Quotes a string that is used as an identifier (table names, column names etc).
	 * This method can also deal with dot-separated identifiers eg table.column.
	 *
	 * @param string|string[] $identifier One or more identifiers.
	 *
	 * @return string
	 */
	protected function quote_one_identifier( $identifier ) {
		$parts = \explode( '.', $identifier );
		$parts = \array_map( [ $this, 'quote_identifier_part' ], $parts );

		return \implode( '.', $parts );
	}

	/**
	 * Quotes a string that is used as an identifier (table names, column names etc) or an array containing multiple
	 * identifiers. This method can also deal with dot-separated identifiers eg table.column.
	 *
	 * @param string|string[] $identifier One or more identifiers.
	 *
	 * @return string
	 */
	protected function quote_identifier( $identifier ) {
		if ( \is_array( $identifier ) ) {
			$result = \array_map( [ $this, 'quote_one_identifier' ], $identifier );

			return \implode( ', ', $result );
		}
		else {
			return $this->quote_one_identifier( $identifier );
		}
	}

	/**
	 * Quotes a single part of an identifier, using the identifier quote character specified in the config
	 * (or autodetected).
	 *
	 * @param string $part The part to quote.
	 *
	 * @return string
	 */
	protected function quote_identifier_part( $part ) {
		if ( $part === '*' ) {
			return $part;
		}
		$quote_character = '`';

		// Double up any identifier quotes to escape them.
		return $quote_character . \str_replace( $quote_character, $quote_character . $quote_character, $part ) . $quote_character;
	}

	/**
	 * Executes the SELECT query that has been built up by chaining methods on this class.
	 * Return an array of rows as associative arrays.
	 *
	 * @return array|false The result rows. False if the query failed.
	 */
	protected function run() {
		global $wpdb;

		$query   = $this->build_select();
		$success = self::execute( $query, $this->values );

		if ( $success === false ) {
			// If the query fails run the migrations and try again.
			// Action is intentionally undocumented and should not be used by third-parties.
			\do_action( '_yoast_run_migrations' );
			$success = self::execute( $query, $this->values );
		}

		$this->reset_idiorm_state();

		if ( $success === false ) {
			return false;
		}

		$rows = [];
		foreach ( $wpdb->last_result as $row ) {
			$rows[] = \get_object_vars( $row );
		}

		return $rows;
	}

	/**
	 * Resets the Idiorm instance state.
	 *
	 * @return void
	 */
	private function reset_idiorm_state() {
		$this->values                       = [];
		$this->result_columns               = [ '*' ];
		$this->using_default_result_columns = true;
	}

	/**
	 * Returns the raw data wrapped by this ORM instance as an associative array. Column names may optionally be
	 * supplied as arguments, if so, only those keys will be returned.
	 *
	 * @return array Associative array of the raw data.
	 */
	public function as_array() {
		if ( \func_num_args() === 0 ) {
			return $this->data;
		}
		$args = \func_get_args();

		return \array_intersect_key( $this->data, \array_flip( $args ) );
	}

	/**
	 * Returns the value of a property of this object (database row) or null if not present.
	 *
	 * If a column-names array is passed, it will return a associative array with the value of each column or null if
	 * it is not present.
	 *
	 * @param string|array $key Key.
	 *
	 * @return array|mixed|null
	 */
	public function get( $key ) {
		if ( \is_array( $key ) ) {
			$result = [];
			foreach ( $key as $column ) {
				$result[ $column ] = ( $this->data[ $column ] ?? null );
			}

			return $result;
		}
		else {
			return ( $this->data[ $key ] ?? null );
		}
	}

	/**
	 * Returns the name of the column in the database table which contains the primary key ID of the row.
	 *
	 * @return string The primary key ID of the row.
	 */
	protected function get_id_column_name() {
		if ( ! \is_null( $this->instance_id_column ) ) {
			return $this->instance_id_column;
		}

		return 'id';
	}

	/**
	 * Gets the primary key ID of this object.
	 *
	 * @param bool $disallow_null Whether to allow null IDs.
	 *
	 * @return array|mixed|null
	 *
	 * @throws Exception Primary key ID contains null value(s).
	 * @throws Exception Primary key ID missing from row or is null.
	 */
	public function id( $disallow_null = false ) {
		$id = $this->get( $this->get_id_column_name() );
		if ( $disallow_null ) {
			if ( \is_array( $id ) ) {
				foreach ( $id as $id_part ) {
					if ( $id_part === null ) {
						throw new Exception( 'Primary key ID contains null value(s)' );
					}
				}
			}
			elseif ( $id === null ) {
				throw new Exception( 'Primary key ID missing from row or is null' );
			}
		}

		return $id;
	}

	/**
	 * Sets a property to a particular value on this object.
	 *
	 * To set multiple properties at once, pass an associative array as the first parameter and leave out the second
	 * parameter. Flags the properties as 'dirty' so they will be saved to the database when save() is called.
	 *
	 * @param string|array $key   Key.
	 * @param string|null  $value Value.
	 *
	 * @return ORM
	 */
	public function set( $key, $value = null ) {
		return $this->set_orm_property( $key, $value );
	}

	/**
	 * Set a property to a particular value on this object as expression.
	 *
	 * To set multiple properties at once, pass an associative array as the first parameter and leave out the second
	 * parameter. Flags the properties as 'dirty' so they will be saved to the database when save() is called.
	 *
	 * @param string|array $key   Key.
	 * @param string|null  $value Value.
	 *
	 * @return ORM
	 */
	public function set_expr( $key, $value = null ) {
		return $this->set_orm_property( $key, $value, true );
	}

	/**
	 * Sets a property on the ORM object.
	 *
	 * @param string|array $key   Key.
	 * @param string|null  $value Value.
	 * @param bool         $expr  Expression.
	 *
	 * @return ORM
	 */
	protected function set_orm_property( $key, $value = null, $expr = false ) {
		if ( ! \is_array( $key ) ) {
			$key = [ $key => $value ];
		}
		foreach ( $key as $field => $value ) {
			$this->data[ $field ]         = $value;
			$this->dirty_fields[ $field ] = $value;
			if ( $expr === false && isset( $this->expr_fields[ $field ] ) ) {
				unset( $this->expr_fields[ $field ] );
			}
			elseif ( $expr === true ) {
				$this->expr_fields[ $field ] = true;
			}
		}

		return $this;
	}

	/**
	 * Checks whether the given field has been changed since this object was saved.
	 *
	 * @param mixed $key Key.
	 *
	 * @return bool
	 */
	public function is_dirty( $key ) {
		return \array_key_exists( $key, $this->dirty_fields );
	}

	/**
	 * Checks whether the model was the result of a call to create() or not.
	 *
	 * @return bool
	 */
	public function is_new() {
		return $this->is_new;
	}

	/**
	 * Saves any fields which have been modified on this object to the database.
	 *
	 * @return bool True on success.
	 *
	 * @throws Exception Primary key ID contains null value(s).
	 * @throws Exception Primary key ID missing from row or is null.
	 */
	public function save() {
		global $wpdb;

		// Remove any expression fields as they are already baked into the query.
		$values = \array_values( \array_diff_key( $this->dirty_fields, $this->expr_fields ) );
		if ( ! $this->is_new ) {
			// UPDATE.
			// If there are no dirty values, do nothing.
			if ( empty( $values ) && empty( $this->expr_fields ) ) {
				return true;
			}
			$query = \implode( ' ', [ $this->build_update(), $this->add_id_column_conditions() ] );

			$id = $this->id( true );
			if ( \is_array( $id ) ) {
				$values = \array_merge( $values, \array_values( $id ) );
			}
			else {
				$values[] = $id;
			}
		}
		else {
			// INSERT.
			$query = $this->build_insert();
		}
		$success = self::execute( $query, $values );
		// If we've just inserted a new record, set the ID of this object.
		if ( $this->is_new ) {
			$this->is_new = false;
			if ( $this->count_null_id_columns() !== 0 ) {
				$column = $this->get_id_column_name();
				// If the primary key is compound, assign the last inserted id to the first column.
				if ( \is_array( $column ) ) {
					$column = \reset( $column );
				}
				// Explicitly cast to int to make dealing with Id's simpler.
				$this->data[ $column ] = (int) $wpdb->insert_id;
			}
		}
		$this->dirty_fields = [];
		$this->expr_fields  = [];

		return $success;
	}

	/**
	 * Extracts and gathers all dirty column names from the given model instances.
	 *
	 * @param array $models Array of model instances to be inserted.
	 *
	 * @return array The distinct set of columns that are dirty in at least one of the models.
	 *
	 * @throws InvalidArgumentException Instance to be inserted is not a new one.
	 */
	public function get_dirty_column_names( $models ) {
		$dirty_column_names = [];

		foreach ( $models as $model ) {
			if ( ! $model->orm->is_new() ) {
				throw new InvalidArgumentException( 'Instance to be inserted is not a new one' );
			}

			// Remove any expression fields as they are already baked into the query.
			$dirty_fields       = \array_diff_key( $model->orm->dirty_fields, $model->orm->expr_fields );
			$dirty_column_names = \array_merge( $dirty_column_names, $dirty_fields );
		}

		$dirty_column_names = \array_keys( $dirty_column_names );

		return $dirty_column_names;
	}

	/**
	 * Inserts multiple rows in a single query. Expects new rows as it's a strictly insert function, not an update one.
	 *
	 * @example From the Indexable_Link_Builder class: $this->seo_links_repository->query()->insert_many( $links );
	 *
	 * @param array $models Array of model instances to be inserted.
	 *
	 * @return bool True for successful insert, false for failed.
	 *
	 * @throws InvalidArgumentException Invalid instances to be inserted.
	 * @throws InvalidArgumentException Instance to be inserted is not a new one.
	 */
	public function insert_many( $models ) {
		// Validate the input first.
		if ( ! \is_array( $models ) ) {
			throw new InvalidArgumentException( 'Invalid instances to be inserted' );
		}

		if ( empty( $models ) ) {
			return true;
		}

		$success = true;

		/**
		 * Filter: 'wpseo_chunk_bulked_insert_queries' - Allow filtering the chunk size of each bulked INSERT query.
		 *
		 * @param int $chunk_size The chunk size of the bulked INSERT queries.
		 */
		$chunk = \apply_filters( 'wpseo_chunk_bulk_insert_queries', 100 );
		$chunk = ! \is_int( $chunk ) ? 100 : $chunk;
		$chunk = ( $chunk <= 0 ) ? 100 : $chunk;

		$chunked_models = \array_chunk( $models, $chunk );
		foreach ( $chunked_models as $models_chunk ) {
			$values = [];

			// First, we'll gather all the dirty fields throughout the models to be inserted.
			$dirty_column_names = $this->get_dirty_column_names( $models_chunk );

			// Now, we're creating all dirty fields throughout the models and
			// setting them to null if they don't exist in each model.
			foreach ( $models_chunk as $model ) {
				$model_values = [];

				foreach ( $dirty_column_names as $dirty_column ) {
					// Set the value to null if it hasn't been set already.
					if ( ! isset( $model->orm->dirty_fields[ $dirty_column ] ) ) {
						$model->orm->dirty_fields[ $dirty_column ] = null;
					}

					// Only register the value if it is not null.
					if ( ! \is_null( $model->orm->dirty_fields[ $dirty_column ] ) ) {
						$model_values[] = $model->orm->dirty_fields[ $dirty_column ];
					}
				}
				$values = \array_merge( $values, $model_values );
			}

			// We now have the same set of dirty columns in all our models and also gathered all values.
			$query   = $this->build_insert_many( $models_chunk, $dirty_column_names );
			$success = $success && (bool) self::execute( $query, $values );
		}

		return $success;
	}

	/**
	 * Updates many records in the database.
	 *
	 * @return int|bool The number of rows changed if the query was succesful. False otherwise.
	 */
	public function update_many() {
		// Remove any expression fields as they are already baked into the query.
		$values = \array_values( \array_diff_key( $this->dirty_fields, $this->expr_fields ) );

		// UPDATE.
		// If there are no dirty values, do nothing.
		if ( empty( $values ) && empty( $this->expr_fields ) ) {
			return true;
		}

		$query = $this->join_if_not_empty( ' ', [ $this->build_update(), $this->build_where() ] );

		$success            = self::execute( $query, \array_merge( $values, $this->values ) );
		$this->dirty_fields = [];
		$this->expr_fields  = [];

		return $success;
	}

	/**
	 * Adds a WHERE clause for every column that belongs to the primary key.
	 *
	 * @return string The where part of the query.
	 */
	public function add_id_column_conditions() {
		$query   = [];
		$query[] = 'WHERE';
		$keys    = \is_array( $this->get_id_column_name() ) ? $this->get_id_column_name() : [ $this->get_id_column_name() ];
		$first   = true;
		foreach ( $keys as $key ) {
			if ( $first ) {
				$first = false;
			}
			else {
				$query[] = 'AND';
			}
			$query[] = $this->quote_identifier( $key );
			$query[] = '= %s';
		}

		return \implode( ' ', $query );
	}

	/**
	 * Builds an UPDATE query.
	 *
	 * @return string The update query.
	 */
	protected function build_update() {
		$query      = [];
		$query[]    = "UPDATE {$this->quote_identifier($this->table_name)} SET";
		$field_list = [];
		foreach ( $this->dirty_fields as $key => $value ) {
			if ( ! \array_key_exists( $key, $this->expr_fields ) ) {
				$value = ( $value === null ) ? 'NULL' : '%s';
			}
			$field_list[] = "{$this->quote_identifier($key)} = {$value}";
		}
		$query[] = \implode( ', ', $field_list );

		return \implode( ' ', $query );
	}

	/**
	 * Builds an INSERT query.
	 *
	 * @return string The insert query.
	 */
	protected function build_insert() {
		$query        = [];
		$query[]      = 'INSERT INTO';
		$query[]      = $this->quote_identifier( $this->table_name );
		$field_list   = \array_map( [ $this, 'quote_identifier' ], \array_keys( $this->dirty_fields ) );
		$query[]      = '(' . \implode( ', ', $field_list ) . ')';
		$query[]      = 'VALUES';
		$placeholders = $this->create_placeholders( $this->dirty_fields );
		$query[]      = "({$placeholders})";

		return \implode( ' ', $query );
	}

	/**
	 * Builds a bulk INSERT query.
	 *
	 * @param array $models             Array of model instances to be inserted.
	 * @param array $dirty_column_names Array of dirty fields to be used in INSERT.
	 *
	 * @return string The insert query.
	 */
	protected function build_insert_many( $models, $dirty_column_names ) {
		$example_model      = $models[0];
		$total_placeholders = '';

		$query      = [];
		$query[]    = 'INSERT INTO';
		$query[]    = $this->quote_identifier( $example_model->orm->table_name );
		$field_list = \array_map( [ $this, 'quote_identifier' ], $dirty_column_names );
		$query[]    = '(' . \implode( ', ', $field_list ) . ')';
		$query[]    = 'VALUES';

		// We assign placeholders per model for dirty fields that have values and NULL for dirty fields that don't.
		foreach ( $models as $model ) {
			$placeholder = [];
			foreach ( $dirty_column_names as $dirty_field ) {
				$placeholder[] = ( $model->orm->dirty_fields[ $dirty_field ] === null ) ? 'NULL' : '%s';
			}
			$placeholders        = \implode( ', ', $placeholder );
			$total_placeholders .= "({$placeholders}),";
		}

		$query[] = \rtrim( $total_placeholders, ',' );
		return \implode( ' ', $query );
	}

	/**
	 * Deletes this record from the database.
	 *
	 * @return string The delete query.
	 *
	 * @throws Exception Primary key ID contains null value(s).
	 * @throws Exception Primary key ID missing from row or is null.
	 */
	public function delete() {
		$query = [ 'DELETE FROM', $this->quote_identifier( $this->table_name ), $this->add_id_column_conditions() ];

		return self::execute( \implode( ' ', $query ), \is_array( $this->id( true ) ) ? \array_values( $this->id( true ) ) : [ $this->id( true ) ] );
	}

	/**
	 * Deletes many records from the database.
	 *
	 * @return bool|int Response of wpdb::query.
	 */
	public function delete_many() {
		// Build and return the full DELETE statement by concatenating
		// the results of calling each separate builder method.
		$query = $this->join_if_not_empty(
			' ',
			[
				'DELETE FROM',
				$this->quote_identifier( $this->table_name ),
				$this->build_where(),
			]
		);

		return self::execute( $query, $this->values );
	}

	/*
	 * ---  ArrayAccess  ---
	 */

	/**
	 * Checks whether the data has the key.
	 *
	 * @param mixed $offset Key.
	 *
	 * @return bool Whether the data has the key.
	 */
	#[ReturnTypeWillChange]
	public function offsetExists( $offset ) {
		return \array_key_exists( $offset, $this->data );
	}

	/**
	 * Retrieves the value of the key.
	 *
	 * @param mixed $offset Key.
	 *
	 * @return array|mixed|null The value.
	 */
	#[ReturnTypeWillChange]
	public function offsetGet( $offset ) {
		return $this->get( $offset );
	}

	/**
	 * Sets the value of the key.
	 *
	 * @param string|int $offset Key.
	 * @param mixed      $value  Value.
	 *
	 * @return void
	 */
	#[ReturnTypeWillChange]
	public function offsetSet( $offset, $value ) {
		if ( \is_null( $offset ) ) {
			return;
		}
		$this->set( $offset, $value );
	}

	/**
	 * Removes the given key from the data.
	 *
	 * @param mixed $offset Key.
	 *
	 * @return void
	 */
	#[ReturnTypeWillChange]
	public function offsetUnset( $offset ) {
		unset( $this->data[ $offset ] );
		unset( $this->dirty_fields[ $offset ] );
	}

	/*
	 * --- MAGIC METHODS ---
	 */

	/**
	 * Handles magic get via offset.
	 *
	 * @param mixed $key Key.
	 *
	 * @return array|mixed|null The value in the offset.
	 */
	public function __get( $key ) {
		return $this->offsetGet( $key );
	}

	/**
	 * Handles magic set via offset.
	 *
	 * @param string|int $key   Key.
	 * @param mixed      $value Value.
	 *
	 * @return void
	 */
	public function __set( $key, $value ) {
		$this->offsetSet( $key, $value );
	}

	/**
	 * Handles magic unset via offset.
	 *
	 * @param mixed $key Key.
	 *
	 * @return void
	 */
	public function __unset( $key ) {
		$this->offsetUnset( $key );
	}

	/**
	 * Handles magic isset via offset.
	 *
	 * @param mixed $key Key.
	 *
	 * @return bool Whether the offset has the key.
	 */
	public function __isset( $key ) {
		return $this->offsetExists( $key );
	}
}
PK}QFZ@s5�@[@[	model.phpnu�[���<?php

namespace Yoast\WP\Lib;

use Exception;
use JsonSerializable;
use ReturnTypeWillChange;

/**
 * Make Model compatible with WordPress.
 *
 * Model base class. Your model objects should extend
 * this class. A minimal subclass would look like:
 *
 * class Widget extends Model {
 * }
 */
class Model implements JsonSerializable {

	/**
	 * Default ID column for all models. Can be overridden by adding
	 * a public static $id_column property to your model classes.
	 *
	 * @var string
	 */
	public const DEFAULT_ID_COLUMN = 'id';

	/**
	 * Default foreign key suffix used by relationship methods.
	 *
	 * @var string
	 */
	public const DEFAULT_FOREIGN_KEY_SUFFIX = '_id';

	/**
	 * Set a prefix for model names. This can be a namespace or any other
	 * abitrary prefix such as the PEAR naming convention.
	 *
	 * @example Model::$auto_prefix_models = 'MyProject_MyModels_'; //PEAR
	 * @example Model::$auto_prefix_models = '\MyProject\MyModels\'; //Namespaces
	 *
	 * @var string
	 */
	public static $auto_prefix_models = '\Yoast\WP\SEO\Models\\';

	/**
	 * Set true to to ignore namespace information when computing table names
	 * from class names.
	 *
	 * @example Model::$short_table_names = true;
	 * @example Model::$short_table_names = false; // default
	 *
	 * @var bool
	 */
	public static $short_table_names = false;

	/**
	 * The ORM instance used by this model instance to communicate with the database.
	 *
	 * @var ORM
	 */
	public $orm;

	/**
	 * The table name for the implemented Model.
	 *
	 * @var string
	 */
	public static $table;

	/**
	 * Whether or not this model uses timestamps.
	 *
	 * @var bool
	 */
	protected $uses_timestamps = false;

	/**
	 * Which columns contain boolean values.
	 *
	 * @var array
	 */
	protected $boolean_columns = [];

	/**
	 * Which columns contain int values.
	 *
	 * @var array
	 */
	protected $int_columns = [];

	/**
	 * Which columns contain float values.
	 *
	 * @var array
	 */
	protected $float_columns = [];

	/**
	 * Hacks around the Model to provide WordPress prefix to tables.
	 *
	 * @param string $class_name   Type of Model to load.
	 * @param bool   $yoast_prefix Optional. True to prefix the table name with the Yoast prefix.
	 *
	 * @return ORM Wrapper to use.
	 */
	public static function of_type( $class_name, $yoast_prefix = true ) {
		// Prepend namespace to the class name.
		$class = static::$auto_prefix_models . $class_name;

		// Set the class variable to the custom value based on the WPDB prefix.
		$class::$table = static::get_table_name( $class_name, $yoast_prefix );

		return static::factory( $class_name, null );
	}

	/**
	 * Creates a model without the Yoast prefix.
	 *
	 * @param string $class_name Type of Model to load.
	 *
	 * @return ORM
	 */
	public static function of_wp_type( $class_name ) {
		return static::of_type( $class_name, false );
	}

	/**
	 * Exposes method to get the table name to use.
	 *
	 * @param string $table_name   Simple table name.
	 * @param bool   $yoast_prefix Optional. True to prefix the table name with the Yoast prefix.
	 *
	 * @return string Prepared full table name.
	 */
	public static function get_table_name( $table_name, $yoast_prefix = true ) {
		global $wpdb;

		// Allow the use of WordPress internal tables.
		if ( $yoast_prefix ) {
			$table_name = 'yoast_' . $table_name;
		}

		return $wpdb->prefix . \strtolower( $table_name );
	}

	/**
	 * Sets the table name for the given class name.
	 *
	 * @param string $class_name The class to set the table name for.
	 *
	 * @return void
	 */
	protected function set_table_name( $class_name ) {
		// Prepend namespace to the class name.
		$class = static::$auto_prefix_models . $class_name;

		$class::$table = static::get_table_name( $class_name );
	}

	/**
	 * Retrieve the value of a static property on a class. If the
	 * class or the property does not exist, returns the default
	 * value supplied as the third argument (which defaults to null).
	 *
	 * @param string     $class_name    The target class name.
	 * @param string     $property      The property to get the value for.
	 * @param mixed|null $default_value Default value when property does not exist.
	 *
	 * @return mixed|null The value of the property.
	 */
	protected static function get_static_property( $class_name, $property, $default_value = null ) {
		if ( ! \class_exists( $class_name ) || ! \property_exists( $class_name, $property ) ) {
			return $default_value;
		}

		if ( ! isset( $class_name::${$property} ) ) {
			return $default_value;
		}

		return $class_name::${$property};
	}

	/**
	 * Static method to get a table name given a class name.
	 * If the supplied class has a public static property
	 * named $table, the value of this property will be
	 * returned.
	 *
	 * If not, the class name will be converted using
	 * the class_name_to_table_name() method.
	 *
	 * If Model::$short_table_names == true or public static
	 * property $table_use_short_name == true then $class_name passed
	 * to class_name_to_table_name() is stripped of namespace information.
	 *
	 * @param string $class_name The class name to get the table name for.
	 *
	 * @return string The table name.
	 */
	protected static function get_table_name_for_class( $class_name ) {
		$specified_table_name = static::get_static_property( $class_name, 'table' );
		$use_short_class_name = static::use_short_table_name( $class_name );
		if ( $use_short_class_name ) {
			$exploded_class_name = \explode( '\\', $class_name );
			$class_name          = \end( $exploded_class_name );
		}

		if ( $specified_table_name === null ) {
			return static::class_name_to_table_name( $class_name );
		}

		return $specified_table_name;
	}

	/**
	 * Should short table names, disregarding class namespaces, be computed?
	 *
	 * $class_property overrides $global_option, unless $class_property is null.
	 *
	 * @param string $class_name The class name to get short name for.
	 *
	 * @return bool True when short table name should be used.
	 */
	protected static function use_short_table_name( $class_name ) {
		$class_property = static::get_static_property( $class_name, 'table_use_short_name' );

		if ( $class_property === null ) {
			return static::$short_table_names;
		}

		return $class_property;
	}

	/**
	 * Convert a namespace to the standard PEAR underscore format.
	 *
	 * Then convert a class name in CapWords to a table name in
	 * lowercase_with_underscores.
	 *
	 * Finally strip doubled up underscores.
	 *
	 * For example, CarTyre would be converted to car_tyre. And
	 * Project\Models\CarTyre would be project_models_car_tyre.
	 *
	 * @param string $class_name The class name to get the table name for.
	 *
	 * @return string The table name.
	 */
	protected static function class_name_to_table_name( $class_name ) {
		$find         = [
			'/\\\\/',
			'/(?<=[a-z])([A-Z])/',
			'/__/',
		];
		$replacements = [
			'_',
			'_$1',
			'_',
		];

		$class_name = \ltrim( $class_name, '\\' );
		$class_name = \preg_replace( $find, $replacements, $class_name );

		return \strtolower( $class_name );
	}

	/**
	 * Return the ID column name to use for this class. If it is
	 * not set on the class, returns null.
	 *
	 * @param string $class_name The class name to get the ID column for.
	 *
	 * @return string|null The ID column name.
	 */
	protected static function get_id_column_name( $class_name ) {
		return static::get_static_property( $class_name, 'id_column', static::DEFAULT_ID_COLUMN );
	}

	/**
	 * Build a foreign key based on a table name. If the first argument
	 * (the specified foreign key column name) is null, returns the second
	 * argument (the name of the table) with the default foreign key column
	 * suffix appended.
	 *
	 * @param string $specified_foreign_key_name The keyname to build.
	 * @param string $table_name                 The table name to build the key name for.
	 *
	 * @return string The built foreign key name.
	 */
	protected static function build_foreign_key_name( $specified_foreign_key_name, $table_name ) {
		if ( $specified_foreign_key_name !== null ) {
			return $specified_foreign_key_name;
		}

		return $table_name . static::DEFAULT_FOREIGN_KEY_SUFFIX;
	}

	/**
	 * Factory method used to acquire instances of the given class.
	 * The class name should be supplied as a string, and the class
	 * should already have been loaded by PHP (or a suitable autoloader
	 * should exist). This method actually returns a wrapped ORM object
	 * which allows a database query to be built. The wrapped ORM object is
	 * responsible for returning instances of the correct class when
	 * its find_one or find_many methods are called.
	 *
	 * @param string $class_name The target class name.
	 *
	 * @return ORM Instance of the ORM wrapper.
	 */
	public static function factory( $class_name ) {
		$class_name = static::$auto_prefix_models . $class_name;
		$table_name = static::get_table_name_for_class( $class_name );
		$wrapper    = ORM::for_table( $table_name );
		$wrapper->set_class_name( $class_name );
		$wrapper->use_id_column( static::get_id_column_name( $class_name ) );

		return $wrapper;
	}

	/**
	 * Internal method to construct the queries for both the has_one and
	 * has_many methods. These two types of association are identical; the
	 * only difference is whether find_one or find_many is used to complete
	 * the method chain.
	 *
	 * @param string      $associated_class_name                    The associated class name.
	 * @param string|null $foreign_key_name                         The foreign key name in the associated table.
	 * @param string|null $foreign_key_name_in_current_models_table The foreign key in the current models table.
	 *
	 * @return ORM Instance of the ORM.
	 *
	 * @throws Exception When ID of current model has a null value.
	 */
	protected function has_one_or_many( $associated_class_name, $foreign_key_name = null, $foreign_key_name_in_current_models_table = null ) {
		$base_table_name  = static::get_table_name_for_class( static::class );
		$foreign_key_name = static::build_foreign_key_name( $foreign_key_name, $base_table_name );

		/*
		 * Value of foreign_table.{$foreign_key_name} we're looking for. Where foreign_table is the actual
		 * database table in the associated model.
		 */
		if ( $foreign_key_name_in_current_models_table === null ) {
			// Matches foreign_table.{$foreign_key_name} with the value of "{$this->table}.{$this->id()}".
			$where_value = $this->id();
		}
		else {
			// Matches foreign_table.{$foreign_key_name} with "{$this->table}.{$foreign_key_name_in_current_models_table}".
			$where_value = $this->{$foreign_key_name_in_current_models_table};
		}

		return static::factory( $associated_class_name )->where( $foreign_key_name, $where_value );
	}

	/**
	 * Helper method to manage one-to-one relations where the foreign
	 * key is on the associated table.
	 *
	 * @param string      $associated_class_name                    The associated class name.
	 * @param string|null $foreign_key_name                         The foreign key name in the associated table.
	 * @param string|null $foreign_key_name_in_current_models_table The foreign key in the current models table.
	 *
	 * @return ORM Instance of the ORM.
	 *
	 * @throws Exception  When ID of current model has a null value.
	 */
	protected function has_one( $associated_class_name, $foreign_key_name = null, $foreign_key_name_in_current_models_table = null ) {
		return $this->has_one_or_many( $associated_class_name, $foreign_key_name, $foreign_key_name_in_current_models_table );
	}

	/**
	 * Helper method to manage one-to-many relations where the foreign
	 * key is on the associated table.
	 *
	 * @param string      $associated_class_name                    The associated class name.
	 * @param string|null $foreign_key_name                         The foreign key name in the associated table.
	 * @param string|null $foreign_key_name_in_current_models_table The foreign key in the current models table.
	 *
	 * @return ORM Instance of the ORM.
	 *
	 * @throws Exception When ID has a null value.
	 */
	protected function has_many( $associated_class_name, $foreign_key_name = null, $foreign_key_name_in_current_models_table = null ) {
		$this->set_table_name( $associated_class_name );

		return $this->has_one_or_many( $associated_class_name, $foreign_key_name, $foreign_key_name_in_current_models_table );
	}

	/**
	 * Helper method to manage one-to-one and one-to-many relations where
	 * the foreign key is on the base table.
	 *
	 * @param string      $associated_class_name                       The associated class name.
	 * @param string|null $foreign_key_name                            The foreign key in the current models table.
	 * @param string|null $foreign_key_name_in_associated_models_table The foreign key in the associated table.
	 *
	 * @return $this|null Instance of the foreign model.
	 */
	protected function belongs_to( $associated_class_name, $foreign_key_name = null, $foreign_key_name_in_associated_models_table = null ) {
		$this->set_table_name( $associated_class_name );

		$associated_table_name = static::get_table_name_for_class( static::$auto_prefix_models . $associated_class_name );
		$foreign_key_name      = static::build_foreign_key_name( $foreign_key_name, $associated_table_name );
		$associated_object_id  = $this->{$foreign_key_name};

		if ( $foreign_key_name_in_associated_models_table === null ) {
			/*
			 * Comparison: "{$associated_table_name}.primary_key = {$associated_object_id}".
			 *
			 * NOTE: primary_key is a placeholder for the actual primary key column's name in $associated_table_name.
			 */
			return static::factory( $associated_class_name )->where_id_is( $associated_object_id );
		}

		// Comparison: "{$associated_table_name}.{$foreign_key_name_in_associated_models_table} = {$associated_object_id}".
		return static::factory( $associated_class_name )
			->where( $foreign_key_name_in_associated_models_table, $associated_object_id );
	}

	/**
	 * Helper method to manage many-to-many relationships via an intermediate model. See
	 * README for a full explanation of the parameters.
	 *
	 * @param string      $associated_class_name   The associated class name.
	 * @param string|null $join_class_name         The class name to join.
	 * @param string|null $key_to_base_table       The key to the the current models table.
	 * @param string|null $key_to_associated_table The key to the associated table.
	 * @param string|null $key_in_base_table       The key in the current models table.
	 * @param string|null $key_in_associated_table The key in the associated table.
	 *
	 * @return ORM Instance of the ORM.
	 */
	protected function has_many_through( $associated_class_name, $join_class_name = null, $key_to_base_table = null, $key_to_associated_table = null, $key_in_base_table = null, $key_in_associated_table = null ) {
		$base_class_name = static::class;

		/*
		 * The class name of the join model, if not supplied, is formed by
		 * concatenating the names of the base class and the associated class,
		 * in alphabetical order.
		 */
		if ( $join_class_name === null ) {
			$base_model      = \explode( '\\', $base_class_name );
			$base_model_name = \end( $base_model );
			if ( \strpos( $base_model_name, static::$auto_prefix_models ) === 0 ) {
				$base_model_name = \substr( $base_model_name, \strlen( static::$auto_prefix_models ), \strlen( $base_model_name ) );
			}
			// Paris wasn't checking the name settings for the associated class.
			$associated_model      = \explode( '\\', $associated_class_name );
			$associated_model_name = \end( $associated_model );
			if ( \strpos( $associated_model_name, static::$auto_prefix_models ) === 0 ) {
				$associated_model_name = \substr( $associated_model_name, \strlen( static::$auto_prefix_models ), \strlen( $associated_model_name ) );
			}
			$class_names = [ $base_model_name, $associated_model_name ];
			\sort( $class_names, \SORT_STRING );
			$join_class_name = \implode( '', $class_names );
		}

		// Get table names for each class.
		$base_table_name       = static::get_table_name_for_class( $base_class_name );
		$associated_table_name = static::get_table_name_for_class( static::$auto_prefix_models . $associated_class_name );
		$join_table_name       = static::get_table_name_for_class( static::$auto_prefix_models . $join_class_name );

		// Get ID column names.
		$base_table_id_column       = ( $key_in_base_table === null ) ? static::get_id_column_name( $base_class_name ) : $key_in_base_table;
		$associated_table_id_column = ( $key_in_associated_table === null ) ? static::get_id_column_name( static::$auto_prefix_models . $associated_class_name ) : $key_in_associated_table;

		// Get the column names for each side of the join table.
		$key_to_base_table       = static::build_foreign_key_name( $key_to_base_table, $base_table_name );
		$key_to_associated_table = static::build_foreign_key_name( $key_to_associated_table, $associated_table_name );

		/* phpcs:ignore Squiz.PHP.CommentedOutCode.Found -- Reason: This is commented out code.
			"   SELECT {$associated_table_name}.*
				FROM {$associated_table_name} JOIN {$join_table_name}
					ON {$associated_table_name}.{$associated_table_id_column} = {$join_table_name}.{$key_to_associated_table}
				WHERE {$join_table_name}.{$key_to_base_table} = {$this->$base_table_id_column} ;"
		*/

		return static::factory( $associated_class_name )
			->select( "{$associated_table_name}.*" )
			->join(
				$join_table_name,
				[
					"{$associated_table_name}.{$associated_table_id_column}",
					'=',
					"{$join_table_name}.{$key_to_associated_table}",
				]
			)
			->where( "{$join_table_name}.{$key_to_base_table}", $this->{$base_table_id_column} );
	}

	/**
	 * Set the wrapped ORM instance associated with this Model instance.
	 *
	 * @param ORM $orm The ORM instance to set.
	 *
	 * @return void
	 */
	public function set_orm( $orm ) {
		$this->orm = $orm;
	}

	/**
	 * Magic getter method, allows $model->property access to data.
	 *
	 * @param string $property The property to get.
	 *
	 * @return mixed The value of the property
	 */
	public function __get( $property ) {
		$value = $this->orm->get( $property );

		if ( $value !== null && \in_array( $property, $this->boolean_columns, true ) ) {
			return (bool) $value;
		}
		if ( $value !== null && \in_array( $property, $this->int_columns, true ) ) {
			return (int) $value;
		}
		if ( $value !== null && \in_array( $property, $this->float_columns, true ) ) {
			return (float) $value;
		}

		return $value;
	}

	/**
	 * Magic setter method, allows $model->property = 'value' access to data.
	 *
	 * @param string $property The property to set.
	 * @param string $value    The value to set.
	 *
	 * @return void
	 */
	public function __set( $property, $value ) {
		if ( $value !== null && \in_array( $property, $this->boolean_columns, true ) ) {
			$value = ( $value ) ? '1' : '0';
		}
		if ( $value !== null && \in_array( $property, $this->int_columns, true ) ) {
			$value = (string) $value;
		}
		if ( $value !== null && \in_array( $property, $this->float_columns, true ) ) {
			$value = (string) $value;
		}

		$this->orm->set( $property, $value );
	}

	/**
	 * Magic unset method, allows unset($model->property)
	 *
	 * @param string $property The property to unset.
	 *
	 * @return void
	 */
	public function __unset( $property ) {
		$this->orm->__unset( $property );
	}

	/**
	 * JSON serializer.
	 *
	 * @return array The data of this object.
	 */
	#[ReturnTypeWillChange]
	public function jsonSerialize() {
		return $this->orm->as_array();
	}

	/**
	 * Strips all nested dependencies from the debug info.
	 *
	 * @return array
	 */
	public function __debugInfo() {
		if ( $this->orm ) {
			return $this->orm->as_array();
		}

		return [];
	}

	/**
	 * Magic isset method, allows isset($model->property) to work correctly.
	 *
	 * @param string $property The property to check.
	 *
	 * @return bool True when value is set.
	 */
	public function __isset( $property ) {
		return $this->orm->__isset( $property );
	}

	/**
	 * Getter method, allows $model->get('property') access to data
	 *
	 * @param string $property The property to get.
	 *
	 * @return string The value of a property.
	 */
	public function get( $property ) {
		return $this->orm->get( $property );
	}

	/**
	 * Setter method, allows $model->set('property', 'value') access to data.
	 *
	 * @param string|array $property The property to set.
	 * @param string|null  $value    The value to give.
	 *
	 * @return static Current object.
	 */
	public function set( $property, $value = null ) {
		$this->orm->set( $property, $value );

		return $this;
	}

	/**
	 * Setter method, allows $model->set_expr('property', 'value') access to data.
	 *
	 * @param string|array $property The property to set.
	 * @param string|null  $value    The value to give.
	 *
	 * @return static Current object.
	 */
	public function set_expr( $property, $value = null ) {
		$this->orm->set_expr( $property, $value );

		return $this;
	}

	/**
	 * Check whether the given property has changed since the object was created or saved.
	 *
	 * @param string $property The property to check.
	 *
	 * @return bool True when field is changed.
	 */
	public function is_dirty( $property ) {
		return $this->orm->is_dirty( $property );
	}

	/**
	 * Check whether the model was the result of a call to create() or not.
	 *
	 * @return bool True when is new.
	 */
	public function is_new() {
		return $this->orm->is_new();
	}

	/**
	 * Wrapper for Idiorm's as_array method.
	 *
	 * @return array The models data as array.
	 */
	public function as_array() {
		$args = \func_get_args();

		return \call_user_func_array( [ $this->orm, 'as_array' ], $args );
	}

	/**
	 * Save the data associated with this model instance to the database.
	 *
	 * @return bool True on success.
	 */
	public function save() {
		if ( $this->uses_timestamps ) {
			if ( ! $this->created_at ) {
				$this->created_at = \gmdate( 'Y-m-d H:i:s' );
			}
			$this->updated_at = \gmdate( 'Y-m-d H:i:s' );
		}

		return $this->orm->save();
	}

	/**
	 * Delete the database row associated with this model instance.
	 *
	 * @return bool|int Response of wpdb::query.
	 */
	public function delete() {
		return $this->orm->delete();
	}

	/**
	 * Get the database ID of this model instance.
	 *
	 * @return int The database ID of the models instance.
	 *
	 * @throws Exception When the ID is a null value.
	 */
	public function id() {
		return $this->orm->id();
	}

	/**
	 * Hydrate this model instance with an associative array of data.
	 * WARNING: The keys in the array MUST match with columns in the
	 * corresponding database table. If any keys are supplied which
	 * do not match up with columns, the database will throw an error.
	 *
	 * @param array $data The data to pass to the ORM.
	 *
	 * @return void
	 */
	public function hydrate( $data ) {
		$this->orm->hydrate( $data )->force_all_dirty();
	}

	/**
	 * Calls static methods directly on the ORM
	 *
	 * @param string $method    The method to call.
	 * @param array  $arguments The arguments to use.
	 *
	 * @return array Result of the static call.
	 */
	public static function __callStatic( $method, $arguments ) {
		if ( ! \function_exists( 'get_called_class' ) ) {
			return [];
		}

		$model = static::factory( static::class );

		return \call_user_func_array( [ $model, $method ], $arguments );
	}
}
PK}QFZ*Er�OO+dependency-injection/container-registry.phpnu�[���<?php

namespace Yoast\WP\Lib\Dependency_Injection;

use YoastSEO_Vendor\Symfony\Component\DependencyInjection\ContainerInterface;
use YoastSEO_Vendor\Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;

/**
 * Container_Registry class.
 */
class Container_Registry {

	/**
	 * The registered containers.
	 *
	 * @var ContainerInterface[]
	 */
	private static $containers = [];

	/**
	 * Register a container.
	 *
	 * @param string             $name      The name of the container.
	 * @param ContainerInterface $container The container.
	 *
	 * @return void
	 */
	public static function register( $name, ContainerInterface $container ) {
		self::$containers[ $name ] = $container;
	}

	// phpcs:disable Squiz.Commenting.FunctionCommentThrowTag.WrongNumber -- PHPCS doesn't take into account exceptions thrown in called methods.

	/**
	 * Get an instance from a specific container.
	 *
	 * @param string $name              The name of the container.
	 * @param string $id                The ID of the service.
	 * @param int    $invalid_behaviour The behaviour when the service could not be found.
	 *
	 * @return object|null The service.
	 *
	 * @throws ServiceCircularReferenceException When a circular reference is detected.
	 * @throws ServiceNotFoundException          When the service is not defined.
	 */
	public static function get( $name, $id, $invalid_behaviour = 1 ) {
		if ( ! \array_key_exists( $name, self::$containers ) ) {
			if ( $invalid_behaviour === ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE ) {
				throw new ServiceNotFoundException( $id );
			}
			return null;
		}
		return self::$containers[ $name ]->get( $id, $invalid_behaviour );
	}

	// phpcs:enable Squiz.Commenting.FunctionCommentThrowTag.WrongNumber

	/**
	 * Attempts to find a given service ID in all registered containers.
	 *
	 * @param string $id The service ID.
	 *
	 * @return string|null The name of the container if the service was found.
	 */
	public static function find( $id ) {
		foreach ( self::$containers as $name => $container ) {
			if ( $container->has( $id ) ) {
				return $name;
			}
		}
	}
}
PK}QFZ�1vQabstract-main.phpnu�[���<?php

namespace Yoast\WP\Lib;

use Exception;
use WPSEO_Utils;
use Yoast\WP\Lib\Dependency_Injection\Container_Registry;
use Yoast\WP\SEO\Exceptions\Forbidden_Property_Mutation_Exception;
use Yoast\WP\SEO\Loader;
use YoastSEO_Vendor\Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Abstract class to extend for the main class in a plugin.
 */
abstract class Abstract_Main {

	/**
	 * The DI container.
	 *
	 * @var ContainerInterface|null
	 */
	protected $container;

	/**
	 * A cache for previously requested and constructed surfaces.
	 *
	 * @var mixed[]
	 */
	private $cached_surfaces = [];

	/**
	 * Loads the plugin.
	 *
	 * @return void
	 *
	 * @throws Exception If loading fails and YOAST_ENVIRONMENT is development.
	 */
	public function load() {
		if ( $this->container ) {
			return;
		}

		try {
			$this->container = $this->get_container();
			Container_Registry::register( $this->get_name(), $this->container );

			if ( ! $this->container ) {
				return;
			}
			if ( ! $this->container->has( Loader::class ) ) {
				return;
			}

			$this->container->get( Loader::class )->load();
		} catch ( Exception $e ) {
			if ( $this->is_development() ) {
				throw $e;
			}
			// Don't crash the entire site, simply don't load.
		}
	}

	/**
	 * Magic getter for retrieving a property from a surface.
	 *
	 * @param string $property The property to retrieve.
	 *
	 * @return mixed The value of the property.
	 *
	 * @throws Exception When the property doesn't exist.
	 */
	public function __get( $property ) {
		if ( \array_key_exists( $property, $this->cached_surfaces ) ) {
			return $this->cached_surfaces[ $property ];
		}

		$surfaces = $this->get_surfaces();

		if ( isset( $surfaces[ $property ] ) ) {
			$this->cached_surfaces[ $property ] = $this->container->get( $surfaces[ $property ] );

			return $this->cached_surfaces[ $property ];
		}
		throw new Exception( \sprintf( 'Property $%s does not exist.', $property ) );
	}

	/**
	 * Checks if the given property exists as a surface.
	 *
	 * @param string $property The property to retrieve.
	 *
	 * @return bool True when property is set.
	 */
	public function __isset( $property ) {
		if ( \array_key_exists( $property, $this->cached_surfaces ) ) {
			return true;
		}

		$surfaces = $this->get_surfaces();

		if ( ! isset( $surfaces[ $property ] ) ) {
			return false;
		}

		return $this->container->has( $surfaces[ $property ] );
	}

	/**
	 * Prevents setting dynamic properties and unsetting declared properties
	 * from an inaccessible context.
	 *
	 * @param string $name  The property name.
	 * @param mixed  $value The property value.
	 *
	 * @return void
	 *
	 * @throws Forbidden_Property_Mutation_Exception Set is never meant to be called.
	 */
	public function __set( $name, $value ) { // @phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed -- __set must have a name and value - PHPCS #3715.
		throw Forbidden_Property_Mutation_Exception::cannot_set_because_property_is_immutable( $name );
	}

	/**
	 * Prevents unsetting dynamic properties and unsetting declared properties
	 * from an inaccessible context.
	 *
	 * @param string $name The property name.
	 *
	 * @return void
	 *
	 * @throws Forbidden_Property_Mutation_Exception Unset is never meant to be called.
	 */
	public function __unset( $name ) {
		throw Forbidden_Property_Mutation_Exception::cannot_unset_because_property_is_immutable( $name );
	}

	/**
	 * Loads the DI container.
	 *
	 * @return ContainerInterface|null The DI container.
	 *
	 * @throws Exception If something goes wrong generating the DI container.
	 */
	abstract protected function get_container();

	/**
	 * Gets the name of the plugin.
	 *
	 * @return string The name.
	 */
	abstract protected function get_name();

	/**
	 * Gets the surfaces of this plugin.
	 *
	 * @return array A mapping of surface name to the responsible class.
	 */
	abstract protected function get_surfaces();

	/**
	 * Returns whether or not we're in an environment for Yoast development.
	 *
	 * @return bool Whether or not to load in development mode.
	 */
	protected function is_development() {
		try {
			return WPSEO_Utils::is_development_mode();
		}
		catch ( Exception $exception ) {
			// E.g. when WordPress and/or WordPress SEO are not loaded.
			return \defined( 'YOAST_ENVIRONMENT' ) && \YOAST_ENVIRONMENT === 'development';
		}
	}
}
PK}QFZ<�DZ�i�imigrations/adapter.phpnu�[���<?php

namespace Yoast\WP\Lib\Migrations;

use Exception;
use Yoast\WP\Lib\Model;

/**
 * Yoast migrations adapter class.
 */
class Adapter {

	/**
	 * The version of this adapter.
	 *
	 * @var string
	 */
	private $version = '1.0';

	/**
	 * Whether or not a transaction has been started.
	 *
	 * @var bool
	 */
	private $in_transaction = false;

	/**
	 * Returns the current database name.
	 *
	 * @return string
	 */
	public function get_database_name() {
		global $wpdb;

		return $wpdb->dbname;
	}

	/**
	 * Checks support for migrations.
	 *
	 * @return bool
	 */
	public function supports_migrations() {
		return true;
	}

	/**
	 * Returns all column native types.
	 *
	 * @return array
	 */
	public function native_database_types() {
		$types = [
			'primary_key'   => [
				'name'  => 'integer',
				'limit' => 11,
				'null'  => false,
			],
			'string'        => [
				'name'  => 'varchar',
				'limit' => 255,
			],
			'text'          => [ 'name' => 'text' ],
			'tinytext'      => [ 'name' => 'tinytext' ],
			'mediumtext'    => [ 'name' => 'mediumtext' ],
			'integer'       => [
				'name'  => 'int',
				'limit' => 11,
			],
			'tinyinteger'   => [ 'name' => 'tinyint' ],
			'smallinteger'  => [ 'name' => 'smallint' ],
			'mediuminteger' => [ 'name' => 'mediumint' ],
			'biginteger'    => [ 'name' => 'bigint' ],
			'float'         => [ 'name' => 'float' ],
			'decimal'       => [
				'name'      => 'decimal',
				'scale'     => 0,
				'precision' => 10,
			],
			'datetime'      => [ 'name' => 'datetime' ],
			'timestamp'     => [ 'name' => 'timestamp' ],
			'time'          => [ 'name' => 'time' ],
			'date'          => [ 'name' => 'date' ],
			'binary'        => [ 'name' => 'blob' ],
			'tinybinary'    => [ 'name' => 'tinyblob' ],
			'mediumbinary'  => [ 'name' => 'mediumblob' ],
			'longbinary'    => [ 'name' => 'longblob' ],
			'boolean'       => [
				'name'  => 'tinyint',
				'limit' => 1,
			],
			'enum'          => [
				'name'   => 'enum',
				'values' => [],
			],
			'uuid'          => [
				'name'  => 'char',
				'limit' => 36,
			],
			'char'          => [ 'name' => 'char' ],
		];

		return $types;
	}

	/**
	 * Checks if a table exists.
	 *
	 * @param string $table The table name.
	 *
	 * @return bool
	 */
	public function has_table( $table ) {
		return $this->table_exists( $table );
	}

	/**
	 * Allows overriding the hardcoded schema table name constant in case of parallel migrations.
	 *
	 * @return string
	 */
	public function get_schema_version_table_name() {
		return Model::get_table_name( 'migrations' );
	}

	/**
	 * Create the schema table, if necessary.
	 *
	 * @return void
	 */
	public function create_schema_version_table() {
		if ( ! $this->has_table( $this->get_schema_version_table_name() ) ) {
			$t = $this->create_table( $this->get_schema_version_table_name() );
			$t->column( 'version', 'string', [ 'limit' => 191 ] );
			$t->finish();
			$this->add_index( $this->get_schema_version_table_name(), 'version', [ 'unique' => true ] );
		}
	}

	/**
	 * Starts a transaction.
	 *
	 * @return void
	 */
	public function start_transaction() {
		if ( $this->in_transaction() === false ) {
			$this->begin_transaction();
		}
	}

	/**
	 * Commits a transaction.
	 *
	 * @return void
	 */
	public function commit_transaction() {
		if ( $this->in_transaction() ) {
			$this->commit();
		}
	}

	/**
	 * Rollbacks a transaction.
	 *
	 * @return void
	 */
	public function rollback_transaction() {
		if ( $this->in_transaction() ) {
			$this->rollback();
		}
	}

	/**
	 * Quotes a table name string.
	 *
	 * @param string $text Table name.
	 *
	 * @return string
	 */
	public function quote_table( $text ) {
		return '`' . $text . '`';
	}

	/**
	 * Return the SQL definition of a column.
	 *
	 * @param string     $column_name The column name.
	 * @param string     $type        The type of the column.
	 * @param array|null $options     Column options.
	 *
	 * @return string
	 */
	public function column_definition( $column_name, $type, $options = null ) {
		$col = new Column( $this, $column_name, $type, $options );

		return $col->__toString();
	}

	/**
	 * Checks if a database exists.
	 *
	 * @param string $database The database name.
	 *
	 * @return bool
	 */
	public function database_exists( $database ) {
		$ddl    = 'SHOW DATABASES';
		$result = $this->select_all( $ddl );
		if ( \count( $result ) === 0 ) {
			return false;
		}
		foreach ( $result as $dbrow ) {
			if ( $dbrow['Database'] === $database ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Creates a database.
	 *
	 * @param string $db The database name.
	 *
	 * @return bool
	 */
	public function create_database( $db ) {
		if ( $this->database_exists( $db ) ) {
			return false;
		}
		$ddl    = \sprintf( 'CREATE DATABASE %s', $this->identifier( $db ) );
		$result = $this->query( $ddl );

		return $result === true;
	}

	/**
	 * Drops a database.
	 *
	 * @param string $db The database name.
	 *
	 * @return bool
	 */
	public function drop_database( $db ) {
		if ( ! $this->database_exists( $db ) ) {
			return false;
		}
		$ddl    = \sprintf( 'DROP DATABASE IF EXISTS %s', $this->identifier( $db ) );
		$result = $this->query( $ddl );

		return $result === true;
	}

	/**
	 * Checks if a table exists.
	 *
	 * @param string $table The table name.
	 *
	 * @return bool
	 */
	public function table_exists( $table ) {
		global $wpdb;

		// We need last error to be clear so we can check against it easily.
		$previous_last_error      = $wpdb->last_error;
		$previous_suppress_errors = $wpdb->suppress_errors;
		$wpdb->last_error         = '';
		$wpdb->suppress_errors    = true;

		$result = $wpdb->query( "SELECT * FROM $table LIMIT 1" );

		// Restore the last error, as this is not truly an error and we don't want to alarm people.
		$wpdb->last_error      = $previous_last_error;
		$wpdb->suppress_errors = $previous_suppress_errors;

		return $result !== false;
	}

	/**
	 * Wrapper to execute a query.
	 *
	 * @param string $query The query to run.
	 *
	 * @return bool
	 */
	public function execute( $query ) {
		return $this->query( $query );
	}

	/**
	 * Executes a query.
	 *
	 * @param string $query The query to run.
	 *
	 * @return bool Whether or not the query was performed succesfully.
	 */
	public function query( $query ) {
		global $wpdb;

		$query_type = $this->determine_query_type( $query );
		$data       = [];
		if ( $query_type === Constants::SQL_SELECT || $query_type === Constants::SQL_SHOW ) {
			$data = $wpdb->get_results( $query, \ARRAY_A );
			if ( $data === false ) {
				return false;
			}

			return $data;
		}
		else {
			// INSERT, DELETE, etc...
			$result = $wpdb->query( $query );
			if ( $result === false ) {
				return false;
			}
			if ( $query_type === Constants::SQL_INSERT ) {
				return $wpdb->insert_id;
			}

			return true;
		}
	}

	/**
	 * Returns a single result for a query.
	 *
	 * @param string $query The query to run.
	 *
	 * @return array|false An associative array of the result.
	 */
	public function select_one( $query ) {
		global $wpdb;

		$query_type = $this->determine_query_type( $query );
		if ( $query_type === Constants::SQL_SELECT || $query_type === Constants::SQL_SHOW ) {
			$result = $wpdb->query( $query );
			if ( $result === false ) {
				return false;
			}

			return $wpdb->last_result[0];
		}

		return false;
	}

	/**
	 * Returns all results for a query.
	 *
	 * @param string $query The query to run.
	 *
	 * @return array An array of associative arrays.
	 */
	public function select_all( $query ) {
		return $this->query( $query );
	}

	/**
	 * Use this method for non-SELECT queries.
	 * Or anything where you dont necessarily expect a result string, e.g. DROPs, CREATEs, etc.
	 *
	 * @param string $ddl The query to run.
	 *
	 * @return bool
	 */
	public function execute_ddl( $ddl ) {
		return $this->query( $ddl );
	}

	/**
	 * Drops a table
	 *
	 * @param string $table The table name.
	 *
	 * @return bool Whether or not the table was succesfully dropped.
	 */
	public function drop_table( $table ) {
		$ddl = \sprintf( 'DROP TABLE IF EXISTS %s', $this->identifier( $table ) );
		return $this->query( $ddl );
	}

	/**
	 * Creates a table.
	 *
	 * @param string $table_name The table name.
	 * @param array  $options    The options.
	 *
	 * @return Table
	 */
	public function create_table( $table_name, $options = [] ) {
		return new Table( $this, $table_name, $options );
	}

	/**
	 * Escapes a string for usage in queries.
	 *
	 * @param string $text The string.
	 *
	 * @return string
	 */
	public function quote_string( $text ) {
		global $wpdb;

		return $wpdb->_escape( $text );
	}

	/**
	 * Returns a quoted string.
	 *
	 * @param string $text The string.
	 *
	 * @return string
	 */
	public function identifier( $text ) {
		return '`' . $text . '`';
	}

	/**
	 * Renames a table.
	 *
	 * @param string $name     The current table name.
	 * @param string $new_name The new table name.
	 *
	 * @return bool
	 */
	public function rename_table( $name, $new_name ) {
		if ( empty( $name ) || empty( $new_name ) ) {
			return false;
		}
		$sql = \sprintf( 'RENAME TABLE %s TO %s', $this->identifier( $name ), $this->identifier( $new_name ) );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Adds a column.
	 *
	 * @param string $table_name  The table name.
	 * @param string $column_name The column name.
	 * @param string $type        The column type.
	 * @param array  $options     Column options.
	 *
	 * @return bool
	 */
	public function add_column( $table_name, $column_name, $type, $options = [] ) {
		if ( empty( $table_name ) || empty( $column_name ) || empty( $type ) ) {
			return false;
		}
		// Default types.
		if ( ! \array_key_exists( 'limit', $options ) ) {
			$options['limit'] = null;
		}
		if ( ! \array_key_exists( 'precision', $options ) ) {
			$options['precision'] = null;
		}
		if ( ! \array_key_exists( 'scale', $options ) ) {
			$options['scale'] = null;
		}
		$sql  = \sprintf( 'ALTER TABLE %s ADD `%s` %s', $this->identifier( $table_name ), $column_name, $this->type_to_sql( $type, $options ) );
		$sql .= $this->add_column_options( $type, $options );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Drops a column.
	 *
	 * @param string $table_name  The table name.
	 * @param string $column_name The column name.
	 *
	 * @return bool
	 */
	public function remove_column( $table_name, $column_name ) {
		$sql = \sprintf( 'ALTER TABLE %s DROP COLUMN %s', $this->identifier( $table_name ), $this->identifier( $column_name ) );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Renames a column.
	 *
	 * @param string $table_name      The table name.
	 * @param string $column_name     The column name.
	 * @param string $new_column_name The new column name.
	 *
	 * @return bool
	 */
	public function rename_column( $table_name, $column_name, $new_column_name ) {
		if ( empty( $table_name ) || empty( $column_name ) || empty( $new_column_name ) ) {
			return false;
		}
		$column_info  = $this->column_info( $table_name, $column_name );
		$current_type = $column_info['type'];
		$sql          = \sprintf( 'ALTER TABLE %s CHANGE %s %s %s', $this->identifier( $table_name ), $this->identifier( $column_name ), $this->identifier( $new_column_name ), $current_type );
		$sql         .= $this->add_column_options( $current_type, $column_info );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Changes a column.
	 *
	 * @param string $table_name  The table name.
	 * @param string $column_name The column name.
	 * @param string $type        The column type.
	 * @param array  $options     Column options.
	 *
	 * @return bool
	 */
	public function change_column( $table_name, $column_name, $type, $options = [] ) {
		if ( empty( $table_name ) || empty( $column_name ) || empty( $type ) ) {
			return false;
		}
		$column_info = $this->column_info( $table_name, $column_name );
		// Default types.
		if ( ! \array_key_exists( 'limit', $options ) ) {
			$options['limit'] = null;
		}
		if ( ! \array_key_exists( 'precision', $options ) ) {
			$options['precision'] = null;
		}
		if ( ! \array_key_exists( 'scale', $options ) ) {
			$options['scale'] = null;
		}
		$sql  = \sprintf( 'ALTER TABLE `%s` CHANGE `%s` `%s` %s', $table_name, $column_name, $column_name, $this->type_to_sql( $type, $options ) );
		$sql .= $this->add_column_options( $type, $options );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Returns the database information for a column.
	 *
	 * @param string $table  The table name.
	 * @param string $column The column name.
	 *
	 * @return array|null
	 */
	public function column_info( $table, $column ) {
		if ( empty( $table ) || empty( $column ) ) {
			return null;
		}

		try {
			$sql    = \sprintf( "SHOW FULL COLUMNS FROM %s LIKE '%s'", $this->identifier( $table ), $column );
			$result = $this->select_one( $sql );
			if ( \is_array( $result ) ) {
				$result = \array_change_key_case( $result, \CASE_LOWER );
			}

			return $result;
		} catch ( Exception $e ) {
			return null;
		}
	}

	/**
	 * Adds an index.
	 *
	 * @param string       $table_name  The table name.
	 * @param array|string $column_name The column name(s).
	 * @param array        $options     Index options.
	 *
	 * @return bool
	 */
	public function add_index( $table_name, $column_name, $options = [] ) {
		if ( empty( $table_name ) || empty( $column_name ) ) {
			return false;
		}
		// Unique index?
		if ( \is_array( $options ) && \array_key_exists( 'unique', $options ) && $options['unique'] === true ) {
			$unique = true;
		}
		else {
			$unique = false;
		}

		// Did the user specify an index name?
		if ( \is_array( $options ) && \array_key_exists( 'name', $options ) ) {
			$index_name = $options['name'];
		}
		else {
			$index_name = $this->get_index_name( $table_name, $column_name );
		}

		if ( \strlen( $index_name ) > Constants::MYSQL_MAX_IDENTIFIER_LENGTH ) {
			return false;
		}

		if ( ! \is_array( $column_name ) ) {
			$column_names = [ $column_name ];
		}
		else {
			$column_names = $column_name;
		}

		$cols = [];
		foreach ( $column_names as $name ) {
			$cols[] = $this->identifier( $name );
		}
		$sql = \sprintf(
			'CREATE %sINDEX %s ON %s(%s)',
			( $unique === true ) ? 'UNIQUE ' : '',
			$this->identifier( $index_name ),
			$this->identifier( $table_name ),
			\implode( ', ', $cols )
		);

		return $this->execute_ddl( $sql );
	}

	/**
	 * Drops an index.
	 *
	 * @param string       $table_name  The table name.
	 * @param array|string $column_name The column name(s).
	 * @param array        $options     Index options.
	 *
	 * @return bool
	 */
	public function remove_index( $table_name, $column_name, $options = [] ) {
		if ( empty( $table_name ) || empty( $column_name ) ) {
			return false;
		}
		// Did the user specify an index name?
		if ( \is_array( $options ) && \array_key_exists( 'name', $options ) ) {
			$index_name = $options['name'];
		}
		else {
			$index_name = $this->get_index_name( $table_name, $column_name );
		}

		$sql = \sprintf( 'DROP INDEX %s ON %s', $this->identifier( $index_name ), $this->identifier( $table_name ) );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Adds timestamps.
	 *
	 * @param string $table_name          The table name.
	 * @param string $created_column_name Created at column name.
	 * @param string $updated_column_name Updated at column name.
	 *
	 * @return bool
	 */
	public function add_timestamps( $table_name, $created_column_name, $updated_column_name ) {
		if ( empty( $table_name ) || empty( $created_column_name ) || empty( $updated_column_name ) ) {
			return false;
		}
		$created_at = $this->add_column( $table_name, $created_column_name, 'datetime' );
		$updated_at = $this->add_column(
			$table_name,
			$updated_column_name,
			'timestamp',
			[
				'null'    => false,
				'default' => 'CURRENT_TIMESTAMP',
				'extra'   => 'ON UPDATE CURRENT_TIMESTAMP',
			]
		);

		return $created_at && $updated_at;
	}

	/**
	 * Removes timestamps.
	 *
	 * @param string $table_name          The table name.
	 * @param string $created_column_name Created at column name.
	 * @param string $updated_column_name Updated at column name.
	 *
	 * @return bool Whether or not the timestamps were removed.
	 */
	public function remove_timestamps( $table_name, $created_column_name, $updated_column_name ) {
		if ( empty( $table_name ) || empty( $created_column_name ) || empty( $updated_column_name ) ) {
			return false;
		}
		$updated_at = $this->remove_column( $table_name, $created_column_name );
		$created_at = $this->remove_column( $table_name, $updated_column_name );

		return $created_at && $updated_at;
	}

	/**
	 * Checks an index.
	 *
	 * @param string       $table_name  The table name.
	 * @param array|string $column_name The column name(s).
	 * @param array        $options     Index options.
	 *
	 * @return bool Whether or not the index exists.
	 */
	public function has_index( $table_name, $column_name, $options = [] ) {
		if ( empty( $table_name ) || empty( $column_name ) ) {
			return false;
		}
		// Did the user specify an index name?
		if ( \is_array( $options ) && \array_key_exists( 'name', $options ) ) {
			$index_name = $options['name'];
		}
		else {
			$index_name = $this->get_index_name( $table_name, $column_name );
		}
		$indexes = $this->indexes( $table_name );
		foreach ( $indexes as $idx ) {
			if ( $idx['name'] === $index_name ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Returns all indexes of a table.
	 *
	 * @param string $table_name The table name.
	 *
	 * @return array
	 */
	public function indexes( $table_name ) {
		$sql     = \sprintf( 'SHOW KEYS FROM %s', $this->identifier( $table_name ) );
		$result  = $this->select_all( $sql );
		$indexes = [];
		foreach ( $result as $row ) {
			// Skip primary.
			if ( $row['Key_name'] === 'PRIMARY' ) {
				continue;
			}
			$indexes[] = [
				'name'   => $row['Key_name'],
				'unique' => (int) $row['Non_unique'] === 0,
			];
		}

		return $indexes;
	}

	/**
	 * Converts a type to sql. Default options:
	 * $limit = null, $precision = null, $scale = null
	 *
	 * @param string $type    The native type.
	 * @param array  $options The options.
	 *
	 * @return string The SQL type.
	 *
	 * @throws Exception If invalid arguments are supplied.
	 */
	public function type_to_sql( $type, $options = [] ) {
		$natives = $this->native_database_types();
		if ( ! \array_key_exists( $type, $natives ) ) {
			$error  = \sprintf( "Error:I dont know what column type of '%s' maps to for MySQL.", $type );
			$error .= "\nYou provided: {$type}\n";
			$error .= "Valid types are: \n";
			$types  = \array_keys( $natives );
			foreach ( $types as $t ) {
				if ( $t === 'primary_key' ) {
					continue;
				}
				$error .= "\t{$t}\n";
			}
			throw new Exception( $error );
		}
		$scale     = null;
		$precision = null;
		$limit     = null;
		if ( isset( $options['precision'] ) ) {
			$precision = $options['precision'];
		}
		if ( isset( $options['scale'] ) ) {
			$scale = $options['scale'];
		}
		if ( isset( $options['limit'] ) ) {
			$limit = $options['limit'];
		}
		if ( isset( $options['values'] ) ) {
			$values = $options['values'];
		}
		$native_type = $natives[ $type ];
		if ( \is_array( $native_type ) && \array_key_exists( 'name', $native_type ) ) {
			$column_type_sql = $native_type['name'];
		}
		else {
			return $native_type;
		}
		if ( $type === 'decimal' || $type === 'float' ) {
			// Ignore limit, use precison and scale.
			if ( $precision === null && \array_key_exists( 'precision', $native_type ) ) {
				$precision = $native_type['precision'];
			}
			if ( $scale === null && \array_key_exists( 'scale', $native_type ) ) {
				$scale = $native_type['scale'];
			}
			if ( $precision !== null ) {
				if ( \is_int( $scale ) ) {
					$column_type_sql .= \sprintf( '(%d, %d)', $precision, $scale );
				}
				else {
					$column_type_sql .= \sprintf( '(%d)', $precision );
				}
			}
			elseif ( $scale ) {
				throw new Exception( "Error adding $type column: precision cannot be empty if scale is specified" );
			}
		}
		elseif ( $type === 'enum' ) {
			if ( empty( $values ) ) {
				throw new Exception( 'Error adding enum column: there must be at least one value defined' );
			}
			else {
				$column_type_sql .= \sprintf(
					"('%s')",
					\implode( "','", \array_map( [ $this, 'quote_string' ], $values ) )
				);
			}
		}
		// Not a decimal column.
		if ( $limit === null && \array_key_exists( 'limit', $native_type ) ) {
			$limit = $native_type['limit'];
		}
		if ( $limit ) {
			$column_type_sql .= \sprintf( '(%d)', $limit );
		}

		return $column_type_sql;
	}

	/**
	 * Adds column options.
	 *
	 * @param string $type    The native type.
	 * @param array  $options The options.
	 *
	 * @return string The SQL statement for the column options.
	 *
	 * @throws Exception If invalid arguments are supplied.
	 */
	public function add_column_options( $type, $options ) {
		$sql = '';
		if ( ! \is_array( $options ) ) {
			return $sql;
		}
		if ( \array_key_exists( 'unsigned', $options ) && $options['unsigned'] === true ) {
			$sql .= ' UNSIGNED';
		}
		if ( \array_key_exists( 'character', $options ) ) {
			$sql .= \sprintf( ' CHARACTER SET %s', $this->identifier( $options['character'] ) );
		}
		if ( \array_key_exists( 'collate', $options ) ) {
			$sql .= \sprintf( ' COLLATE %s', $this->identifier( $options['collate'] ) );
		}
		if ( \array_key_exists( 'auto_increment', $options ) && $options['auto_increment'] === true ) {
			$sql .= ' auto_increment';
		}
		if ( \array_key_exists( 'default', $options ) && $options['default'] !== null ) {
			if ( $this->is_sql_method_call( $options['default'] ) ) {
				throw new Exception( 'MySQL does not support function calls as default values, constants only.' );
			}
			if ( \is_int( $options['default'] ) ) {
				$default_format = '%d';
			}
			elseif ( \is_bool( $options['default'] ) ) {
				$default_format = "'%d'";
			}
			elseif ( $options['default'] === 'CURRENT_TIMESTAMP' ) {
				$default_format = '%s';
			}
			else {
				$default_format = "'%s'";
			}
			$default_value = \sprintf( $default_format, $options['default'] );
			$sql          .= \sprintf( ' DEFAULT %s', $default_value );
		}
		if ( \array_key_exists( 'null', $options ) ) {
			if ( $options['null'] === false || $options['null'] === 'NO' ) {
				$sql .= ' NOT NULL';
			}
			elseif ( $type === 'timestamp' ) {
				$sql .= ' NULL';
			}
		}
		if ( \array_key_exists( 'comment', $options ) ) {
			$sql .= \sprintf( " COMMENT '%s'", $this->quote_string( $options['comment'] ) );
		}
		if ( \array_key_exists( 'extra', $options ) ) {
			$sql .= \sprintf( ' %s', $this->quote_string( $options['extra'] ) );
		}
		if ( \array_key_exists( 'after', $options ) ) {
			$sql .= \sprintf( ' AFTER %s', $this->identifier( $options['after'] ) );
		}

		return $sql;
	}

	/**
	 * Returns a list of all versions that have been migrated.
	 *
	 * @return string[] The version numbers that have been migrated.
	 */
	public function get_migrated_versions() {
		$result = $this->select_all( \sprintf( 'SELECT version FROM %s', $this->get_schema_version_table_name() ) );
		return \array_column( $result, 'version' );
	}

	/**
	 * Adds a migrated version.
	 *
	 * @param string $version The version.
	 *
	 * @return bool Whether or not the version was succesfully set.
	 */
	public function add_version( $version ) {
		$sql = \sprintf( "INSERT INTO %s (version) VALUES ('%s')", $this->get_schema_version_table_name(), $version );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Removes a migrated version.
	 *
	 * @param string $version The version.
	 *
	 * @return bool Whether or not the version was succesfully removed.
	 */
	public function remove_version( $version ) {
		$sql = \sprintf( "DELETE FROM %s WHERE version = '%s'", $this->get_schema_version_table_name(), $version );

		return $this->execute_ddl( $sql );
	}

	/**
	 * Returns a message displaying the current version
	 *
	 * @return string
	 */
	public function __toString() {
		return self::class . ', version ' . $this->version;
	}

	/**
	 * Returns an index name.
	 *
	 * @param string $table_name  The table name.
	 * @param string $column_name The column name.
	 *
	 * @return string The index name.
	 */
	private function get_index_name( $table_name, $column_name ) {
		$name = \preg_replace( '/\\W/', '_', $table_name );
		$name = \preg_replace( '/\\_{2,}/', '_', $name );
		// If the column parameter is an array then the user wants to create a multi-column index.
		if ( \is_array( $column_name ) ) {
			$column_str = \implode( '_and_', $column_name );
		}
		else {
			$column_str = $column_name;
		}
		$name .= \sprintf( '_%s', $column_str );
		return $name;
	}

	/**
	 * Returns the type of a query.
	 *
	 * @param string $query The query to run.
	 *
	 * @return int The query type.
	 */
	private function determine_query_type( $query ) {
		$query = \strtolower( \trim( $query ) );
		$match = [];
		\preg_match( '/^(\\w)*/i', $query, $match );
		$type = $match[0];
		switch ( $type ) {
			case 'select':
				return Constants::SQL_SELECT;
			case 'update':
				return Constants::SQL_UPDATE;
			case 'delete':
				return Constants::SQL_DELETE;
			case 'insert':
				return Constants::SQL_INSERT;
			case 'alter':
				return Constants::SQL_ALTER;
			case 'drop':
				return Constants::SQL_DROP;
			case 'create':
				return Constants::SQL_CREATE;
			case 'show':
				return Constants::SQL_SHOW;
			case 'rename':
				return Constants::SQL_RENAME;
			case 'set':
				return Constants::SQL_SET;
			default:
				return Constants::SQL_UNKNOWN_QUERY_TYPE;
		}
	}

	/**
	 * Detect whether or not the string represents a function call and if so
	 * do not wrap it in single-quotes, otherwise do wrap in single quotes.
	 *
	 * @param string $text The string.
	 *
	 * @return bool Whether or not it's a SQL function call.
	 */
	private function is_sql_method_call( $text ) {
		$text = \trim( $text );
		if ( \substr( $text, -2, 2 ) === '()' ) {
			return true;
		}
		return false;
	}

	/**
	 * Checks if a transaction is active.
	 *
	 * @return bool
	 */
	private function in_transaction() {
		return $this->in_transaction;
	}

	/**
	 * Starts a transaction.
	 *
	 * @return void
	 *
	 * @throws Exception If a transaction was already started.
	 */
	private function begin_transaction() {
		global $wpdb;

		if ( $this->in_transaction === true ) {
			throw new Exception( 'Transaction already started' );
		}
		$wpdb->query( 'START TRANSACTION' );
		$this->in_transaction = true;
	}

	/**
	 * Commits a transaction.
	 *
	 * @return void
	 *
	 * @throws Exception If no transaction was strated.
	 */
	private function commit() {
		global $wpdb;

		if ( $this->in_transaction === false ) {
			throw new Exception( 'Transaction not started' );
		}
		$wpdb->query( 'COMMIT' );
		$this->in_transaction = false;
	}

	/**
	 * Rollbacks a transaction.
	 *
	 * @return void
	 *
	 * @throws Exception If no transaction was started.
	 */
	private function rollback() {
		global $wpdb;

		if ( $this->in_transaction === false ) {
			throw new Exception( 'Transaction not started' );
		}
		$wpdb->query( 'ROLLBACK' );
		$this->in_transaction = false;
	}
}
PK}QFZ'����migrations/migration.phpnu�[���<?php

namespace Yoast\WP\Lib\Migrations;

/**
 * Base migration class.
 */
abstract class Migration {

	/**
	 * The plugin this migration belongs to.
	 *
	 * @var string
	 */
	public static $plugin = 'unknown';

	/**
	 * The adapter.
	 *
	 * @var Adapter
	 */
	private $adapter;

	/**
	 * Performs the migration.
	 *
	 * @return void
	 */
	abstract public function up();

	/**
	 * Reverts the migration.
	 *
	 * @return void
	 */
	abstract public function down();

	/**
	 * Creates a new migration.
	 *
	 * @param Adapter $adapter The current adapter.
	 */
	public function __construct( Adapter $adapter ) {
		$this->set_adapter( $adapter );
	}

	/**
	 * Sets an adapter.
	 *
	 * @param Adapter $adapter The adapter to set.
	 *
	 * @return $this|null
	 */
	public function set_adapter( $adapter ) {
		if ( ! $adapter instanceof Adapter ) {
			return;
		}
		$this->adapter = $adapter;
		return $this;
	}

	/**
	 * Returns the current adapter.
	 *
	 * @return object
	 */
	public function get_adapter() {
		return $this->adapter;
	}

	/**
	 * Creates a database.
	 *
	 * @param string     $name    The name of the database.
	 * @param array|null $options The options.
	 *
	 * @return bool
	 */
	public function create_database( $name, $options = null ) {
		return $this->adapter->create_database( $name, $options );
	}

	/**
	 * Drops a database.
	 *
	 * @param string $name The name of the database.
	 *
	 * @return bool
	 */
	public function drop_database( $name ) {
		return $this->adapter->drop_database( $name );
	}

	/**
	 * Drops a table.
	 *
	 * @param string $table_name The name of the table.
	 *
	 * @return bool
	 */
	public function drop_table( $table_name ) {
		return $this->adapter->drop_table( $table_name );
	}

	/**
	 * Renames a table.
	 *
	 * @param string $name     The name of the table.
	 * @param string $new_name The new name of the table.
	 *
	 * @return bool
	 */
	public function rename_table( $name, $new_name ) {
		return $this->adapter->rename_table( $name, $new_name );
	}

	/**
	 * Renames a column.
	 *
	 * @param string $table_name      The name of the table.
	 * @param string $column_name     The column name.
	 * @param string $new_column_name The new column name.
	 *
	 * @return bool
	 */
	public function rename_column( $table_name, $column_name, $new_column_name ) {
		return $this->adapter->rename_column( $table_name, $column_name, $new_column_name );
	}

	/**
	 * Adds a column.
	 *
	 * @param string       $table_name  The name of the table.
	 * @param string       $column_name The column name.
	 * @param string       $type        The column type.
	 * @param array|string $options     The options.
	 *
	 * @return bool
	 */
	public function add_column( $table_name, $column_name, $type, $options = [] ) {
		return $this->adapter->add_column( $table_name, $column_name, $type, $options );
	}

	/**
	 * Removes a column.
	 *
	 * @param string $table_name  The name of the table.
	 * @param string $column_name The column name.
	 *
	 * @return bool
	 */
	public function remove_column( $table_name, $column_name ) {
		return $this->adapter->remove_column( $table_name, $column_name );
	}

	/**
	 * Changes a column.
	 *
	 * @param string       $table_name  The name of the table.
	 * @param string       $column_name The column name.
	 * @param string       $type        The column type.
	 * @param array|string $options     The options.
	 *
	 * @return bool
	 */
	public function change_column( $table_name, $column_name, $type, $options = [] ) {
		return $this->adapter->change_column( $table_name, $column_name, $type, $options );
	}

	/**
	 * Adds an index.
	 *
	 * @param string       $table_name  The name of the table.
	 * @param array|string $column_name The column name.
	 * @param array|string $options     The options.
	 *
	 * @return bool
	 */
	public function add_index( $table_name, $column_name, $options = [] ) {
		return $this->adapter->add_index( $table_name, $column_name, $options );
	}

	/**
	 * Removes an index.
	 *
	 * @param string       $table_name  The name of the table.
	 * @param array|string $column_name The column name.
	 * @param array|string $options     The options.
	 *
	 * @return bool
	 */
	public function remove_index( $table_name, $column_name, $options = [] ) {
		return $this->adapter->remove_index( $table_name, $column_name, $options );
	}

	/**
	 * Adds timestamps.
	 *
	 * @param string $table_name          The name of the table.
	 * @param string $created_column_name Created at column name.
	 * @param string $updated_column_name Updated at column name.
	 *
	 * @return bool
	 */
	public function add_timestamps( $table_name, $created_column_name = 'created_at', $updated_column_name = 'updated_at' ) {
		return $this->adapter->add_timestamps( $table_name, $created_column_name, $updated_column_name );
	}

	/**
	 * Removes timestamps.
	 *
	 * @param string $table_name          The name of the table.
	 * @param string $created_column_name Created at column name.
	 * @param string $updated_column_name Updated at column name.
	 *
	 * @return bool
	 */
	public function remove_timestamps( $table_name, $created_column_name = 'created_at', $updated_column_name = 'updated_at' ) {
		return $this->adapter->remove_timestamps( $table_name, $created_column_name, $updated_column_name );
	}

	/**
	 * Creates a table.
	 *
	 * @param string       $table_name The name of the table.
	 * @param array|string $options    The options.
	 *
	 * @return bool|Table
	 */
	public function create_table( $table_name, $options = [] ) {
		return $this->adapter->create_table( $table_name, $options );
	}

	/**
	 * Execute a query and return the first result.
	 *
	 * @param string $sql The query to run.
	 *
	 * @return array
	 */
	public function select_one( $sql ) {
		return $this->adapter->select_one( $sql );
	}

	/**
	 * Execute a query and return all results.
	 *
	 * @param string $sql The query to run.
	 *
	 * @return array
	 */
	public function select_all( $sql ) {
		return $this->adapter->select_all( $sql );
	}

	/**
	 * Execute a query.
	 *
	 * @param string $sql The query to run.
	 *
	 * @return bool
	 */
	public function query( $sql ) {
		return $this->adapter->query( $sql );
	}

	/**
	 * Returns a quoted string.
	 *
	 * @param string $str The string to quote.
	 *
	 * @return string
	 */
	public function quote_string( $str ) {
		return $this->adapter->quote_string( $str );
	}
}
PK}QFZ���!migrations/table.phpnu�[���<?php

namespace Yoast\WP\Lib\Migrations;

use Exception;

/**
 * Yoast migrations table class.
 */
class Table {

	/**
	 * The adapter.
	 *
	 * @var Adapter
	 */
	private $adapter;

	/**
	 * The name
	 *
	 * @var string
	 */
	private $name;

	/**
	 * The options
	 *
	 * @var array
	 */
	private $options;

	/**
	 * The SQL representation of this table.
	 *
	 * @var string
	 */
	private $sql = '';

	/**
	 * Whether or not the table has been initialized.
	 *
	 * @var bool
	 */
	private $initialized = false;

	/**
	 * The columns
	 *
	 * @var Column[]
	 */
	private $columns = [];

	/**
	 * The primary keys.
	 *
	 * @var string[]
	 */
	private $primary_keys = [];

	/**
	 * Whether or not to auto generate the id.
	 *
	 * @var bool
	 */
	private $auto_generate_id = true;

	/**
	 * Creates an instance of the Adapter.
	 *
	 * @param Adapter $adapter The current adapter.
	 * @param string  $name    The table name.
	 * @param array   $options The options.
	 *
	 * @throws Exception If invalid arguments are passed.
	 */
	public function __construct( $adapter, $name, $options = [] ) {
		// Sanity checks.
		if ( ! $adapter instanceof Adapter ) {
			throw new Exception( 'Invalid MySQL Adapter instance.' );
		}
		if ( ! $name ) {
			throw new Exception( "Invalid 'name' parameter" );
		}
		$this->adapter = $adapter;
		$this->name    = $name;
		$this->options = $options;
		$this->init_sql( $name, $options );
		if ( \array_key_exists( 'id', $options ) ) {
			if ( \is_bool( $options['id'] ) && $options['id'] === false ) {
				$this->auto_generate_id = false;
			}

			// If its a string then we want to auto-generate an integer-based
			// primary key with this name.
			if ( \is_string( $options['id'] ) ) {
				$this->auto_generate_id = true;
				$this->primary_keys[]   = $options['id'];
			}
		}
	}

	/**
	 * Create a column
	 *
	 * @param string $column_name The column name.
	 * @param string $type        The column type.
	 * @param array  $options     The options.
	 *
	 * @return void
	 */
	public function column( $column_name, $type, $options = [] ) {
		// If there is already a column by the same name then silently fail and continue.
		foreach ( $this->columns as $column ) {
			if ( $column->name === $column_name ) {
				return;
			}
		}

		$column_options = [];
		if ( \array_key_exists( 'primary_key', $options ) ) {
			if ( $options['primary_key'] ) {
				$this->primary_keys[] = $column_name;
			}
		}
		if ( \array_key_exists( 'auto_increment', $options ) ) {
			if ( $options['auto_increment'] ) {
				$column_options['auto_increment'] = true;
			}
		}
		$column_options  = \array_merge( $column_options, $options );
		$column          = new Column( $this->adapter, $column_name, $type, $column_options );
		$this->columns[] = $column;
	}

	/**
	 * Shortcut to create timestamps columns (default created_at, updated_at)
	 *
	 * @param string $created_column_name Created at column name.
	 * @param string $updated_column_name Updated at column name.
	 *
	 * @return void
	 */
	public function timestamps( $created_column_name = 'created_at', $updated_column_name = 'updated_at' ) {
		$this->column( $created_column_name, 'datetime' );
		$this->column(
			$updated_column_name,
			'timestamp',
			[
				'null'    => false,
				'default' => 'CURRENT_TIMESTAMP',
				'extra'   => 'ON UPDATE CURRENT_TIMESTAMP',
			]
		);
	}

	/**
	 * Get all primary keys
	 *
	 * @return string
	 */
	private function keys() {
		if ( \count( $this->primary_keys ) > 0 ) {
			$lead   = ' PRIMARY KEY (';
			$quoted = [];
			foreach ( $this->primary_keys as $key ) {
				$quoted[] = \sprintf( '%s', $this->adapter->identifier( $key ) );
			}
			$primary_key_sql = ",\n" . $lead . \implode( ',', $quoted ) . ')';
			return $primary_key_sql;
		}

		return '';
	}

	/**
	 * Table definition
	 *
	 * @param bool $wants_sql Whether or not to return SQL or execute the query. Defaults to false.
	 *
	 * @return bool|string
	 *
	 * @throws Exception If the table definition has not been intialized.
	 */
	public function finish( $wants_sql = false ) {
		if ( ! $this->initialized ) {
			throw new Exception( \sprintf( "Table Definition: '%s' has not been initialized", $this->name ) );
		}
		$opt_str = '';
		if ( \is_array( $this->options ) && \array_key_exists( 'options', $this->options ) ) {
			$opt_str = $this->options['options'];
		}
		elseif ( isset( $this->adapter->db_info['charset'] ) ) {
			$opt_str = ' DEFAULT CHARSET=' . $this->adapter->db_info['charset'];
		}
		else {
			$opt_str = ' DEFAULT CHARSET=utf8';
		}
		$close_sql        = \sprintf( ') %s;', $opt_str );
		$create_table_sql = $this->sql;
		if ( $this->auto_generate_id === true ) {
			$this->primary_keys[] = 'id';
			$primary_id           = new Column(
				$this->adapter,
				'id',
				'integer',
				[
					'unsigned'       => true,
					'null'           => false,
					'auto_increment' => true,
				]
			);
			$create_table_sql    .= $primary_id->to_sql() . ",\n";
		}
		$create_table_sql .= $this->columns_to_str();
		$create_table_sql .= $this->keys() . $close_sql;
		if ( $wants_sql ) {
			return $create_table_sql;
		}
		return $this->adapter->execute_ddl( $create_table_sql );
	}

	/**
	 * Get SQL for all columns.
	 *
	 * @return string The SQL.
	 */
	private function columns_to_str() {
		$fields = [];
		$len    = \count( $this->columns );
		for ( $i = 0; $i < $len; $i++ ) {
			$c        = $this->columns[ $i ];
			$fields[] = $c->__toString();
		}
		return \implode( ",\n", $fields );
	}

	/**
	 * Init create sql statement.
	 *
	 * @param string $name    The name.
	 * @param array  $options The options.
	 *
	 * @return void
	 */
	private function init_sql( $name, $options ) {
		// Are we forcing table creation? If so, drop it first.
		if ( \array_key_exists( 'force', $options ) && $options['force'] === true ) {
			$this->adapter->drop_table( $name );
		}
		$temp = '';
		if ( \array_key_exists( 'temporary', $options ) ) {
			$temp = ' TEMPORARY';
		}
		$create_sql        = \sprintf( 'CREATE%s TABLE ', $temp );
		$create_sql       .= \sprintf( "%s (\n", $this->adapter->identifier( $name ) );
		$this->sql        .= $create_sql;
		$this->initialized = true;
	}
}
PK}QFZ8��P��migrations/constants.phpnu�[���<?php

namespace Yoast\WP\Lib\Migrations;

/**
 * Yoast migrations constants class.
 */
class Constants {

	public const MYSQL_MAX_IDENTIFIER_LENGTH = 64;
	public const SQL_UNKNOWN_QUERY_TYPE      = 1;
	public const SQL_SELECT                  = 2;
	public const SQL_INSERT                  = 4;
	public const SQL_UPDATE                  = 8;
	public const SQL_DELETE                  = 16;
	public const SQL_ALTER                   = 32;
	public const SQL_DROP                    = 64;
	public const SQL_CREATE                  = 128;
	public const SQL_SHOW                    = 256;
	public const SQL_RENAME                  = 512;
	public const SQL_SET                     = 1024;
}
PK}QFZ�U[255migrations/column.phpnu�[���<?php

namespace Yoast\WP\Lib\Migrations;

use Exception;

/**
 * Yoast migrations column class.
 */
class Column {

	/**
	 * The adapter.
	 *
	 * @var Adapter
	 */
	private $adapter;

	/**
	 * The name.
	 *
	 * @var string
	 */
	public $name;

	/**
	 * The type.
	 *
	 * @var mixed
	 */
	public $type;

	/**
	 * The properties.
	 *
	 * @var mixed
	 */
	public $properties;

	/**
	 * The options.
	 *
	 * @var array
	 */
	private $options = [];

	/**
	 * Creates an instance of a column.
	 *
	 * @param Adapter $adapter The current adapter.
	 * @param string  $name    The name of the column.
	 * @param string  $type    The type of the column.
	 * @param array   $options The column options.
	 *
	 * @throws Exception If invalid arguments provided.
	 */
	public function __construct( $adapter, $name, $type, $options = [] ) {
		if ( ! $adapter instanceof Adapter ) {
			throw new Exception( 'Invalid Adapter instance.' );
		}
		if ( empty( $name ) || ! \is_string( $name ) ) {
			throw new Exception( "Invalid 'name' parameter" );
		}
		if ( empty( $type ) || ! \is_string( $type ) ) {
			throw new Exception( "Invalid 'type' parameter" );
		}
		$this->adapter = $adapter;
		$this->name    = $name;
		$this->type    = $type;
		$this->options = $options;
	}

	/**
	 * Returns the SQL of this column.
	 *
	 * @return string
	 */
	public function to_sql() {
		$column_sql  = \sprintf( '%s %s', $this->adapter->identifier( $this->name ), $this->sql_type() );
		$column_sql .= $this->adapter->add_column_options( $this->type, $this->options );
		return $column_sql;
	}

	/**
	 * The SQL string version.
	 *
	 * @return string
	 */
	public function __toString() {
		return $this->to_sql();
	}

	/**
	 * The SQL type.
	 *
	 * @return string
	 */
	private function sql_type() {
		return $this->adapter->type_to_sql( $this->type, $this->options );
	}
}
PK�RFZ�S_�HHadmin/class-encryption.phpnu�[���<?php
namespace RSSSL\lib\admin;

require_once __DIR__ . '/class-helper.php';

/**
 * Trait admin helper
 *
 *
 * @package RSSSL\lib\admin\encryption
 * @since   8.2
 *
 * @author  Really Simple Security
 * @see     https://really-simple-ssl.com
 */
trait Encryption {
	use Helper;

	/**
	 * Encrypt a string with a prefix. If the prefix is already there, it's already encrypted
	 *
	 * @param string $data
	 * @param string $prefix
	 *
	 * @return string
	 */

	public function encrypt_with_prefix( string $data, string $prefix = 'rsssl_'):string {
		if ( strpos($data, $prefix) === 0 ) {
			return $data;
		}

		$data = $this->encrypt($data);
		return $prefix . $data;
	}

	/**
	 * Decrypt data if prefixed. If not prefixed, return the data, as it is already decrypted
	 *
	 * @param string $data
	 * @param string $prefix
	 *
	 * @return string
	 */
	public function decrypt_if_prefixed( string $data, string $prefix = 'rsssl_', string $deprecated_key = '' ):string{
		if ( strpos($data, $prefix) !== 0 ) {
			return $data;
		}
		$data = substr($data, strlen($prefix));

		return $this->decrypt($data, 'string', $deprecated_key);
	}

	/**
	 * Encrypt a string.
	 *
	 * @param array|string $data
	 * @param string $type //ARRAY or STRING
	 *
	 * @return string
	 */
	public function encrypt( $data, string $type = 'string' ): string {

		$key = $this->get_encryption_key();

		if ( 'array' === strtolower( $type ) ) {
			$data = serialize($data);
		}

		if ( strlen( trim( $data ) ) === 0 ) {
			return '';
		}

		$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc'));
		$encrypted = openssl_encrypt($data, 'aes-256-cbc', $key, 0, $iv);
		return base64_encode($encrypted . '::' . $iv);
	}

	/**
	 * Decrypt data
	 *
	 * @param mixed $data
	 * @param string $type
	 * @param string $deprecated_key
	 *
	 * @return array|string
	 */
	public function decrypt( $data, string $type = 'string', $deprecated_key = '' ) {
		// Check if user is logged in
		$key = ! empty( $deprecated_key ) ? $deprecated_key : $this->get_encryption_key();

		// If $data is empty, return appropriate empty value based on type
		if ( empty( $data ) ) {
			return strtolower( $type ) === 'string' ? '' : [];
		}

		// If $data is not a string (i.e., it's already an array), return it as is
		if ( ! is_string( $data ) ) {
			return $data;
		}

		$decoded = base64_decode( $data );
		if ( false === $decoded ) {
			return strtolower( $type ) === 'string' ? '' : [];
		}

		if ( strpos( $decoded, '::' ) !== false ) {
			[ $encrypted_data, $iv ] = explode( '::', $decoded, 2 );
		} else {
			// Deprecated method, for backwards compatibility (license decryption)
			$ivlength       = openssl_cipher_iv_length( 'aes-256-cbc' );
			$iv             = substr( $decoded, 0, $ivlength );
			$encrypted_data = substr( $decoded, $ivlength );
		}

		if ( function_exists( 'openssl_decrypt' ) ) {
			$decrypted_data = openssl_decrypt( $encrypted_data, 'aes-256-cbc', $key, 0, $iv );
		} else {
			$this->log( 'The function openssl_decrypt does not exist. Check with your host if the OpenSSL library for PHP can be enabled.' );

			return strtolower( $type ) === 'string' ? '' : [];
		}

		if ( 'array' === strtolower( $type ) ) {
			$unserialized_data = @unserialize( $decrypted_data );

			return ( is_array( $unserialized_data ) ) ? $unserialized_data : [];
		}

		return $decrypted_data;
	}

	private function get_encryption_key(): string {
		// First, check if we have a key defined as a constant
		if ( defined( 'RSSSL_KEY' ) ) {
			return RSSSL_KEY;
		}

		// If not, check if we have a key stored in the database
		return get_site_option( 'rsssl_main_key' );

	}
}
PK�RFZY,�#??admin/class-helper.phpnu�[���<?php
namespace RSSSL\lib\admin;

/**
 * Trait admin helper
 *
 *
 * @package RSSSL\helper
 * @since   8.2
 *
 * @author  Really Simple Security
 * @see     https://really-simple-ssl.com
 */
trait Helper {
	/**
	 * Get the wp-config path
	 *
	 * @return string
	 */
	public function wpconfig_path(): string {
		// Allow the wp-config.php path to be overridden via a filter.
		$filtered_path = apply_filters( 'rsssl_wpconfig_path', '' );

		// If a filtered path is provided, validate it.
		if ( ! empty( $filtered_path ) ) {
			$directory = dirname( $filtered_path );

			// Ensure the directory exists before checking for the file.
			if ( is_dir( $directory ) && file_exists( $filtered_path ) ) {
				return $filtered_path;
			}
		}

		// Default behavior to locate wp-config.php
		$location_of_wp_config = ABSPATH;
		if ( ! file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) ) {
			$location_of_wp_config = dirname( ABSPATH );
		}

		$location_of_wp_config = trailingslashit( $location_of_wp_config );
		$wpconfig_path         = $location_of_wp_config . 'wp-config.php';

		// Check if the file exists and return the path if valid.
		if ( file_exists( $wpconfig_path ) ) {
			return $wpconfig_path;
		}

		// Return an empty string if no valid wp-config.php path is found.
		return '';
	}


	/**
	 * Log a message if WP_DEBUG is enabled
	 *
	 * @param string $message
	 *
	 * @return void
	 */
	public function log( string $message ): void {
		if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
			error_log( "Really Simple Security: ".$message );
		}
	}

}
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