PKcLFZ
���mmFilteredIterator.phpnu�[���
<?php
/**
 * Iterator for arrays requiring filtered values
 *
 * @package Requests\Utilities
 */

namespace WpOrg\Requests\Utility;

use ArrayIterator;
use ReturnTypeWillChange;
use WpOrg\Requests\Exception\InvalidArgument;
use WpOrg\Requests\Utility\InputValidator;

/**
 * Iterator for arrays requiring filtered values
 *
 * @package Requests\Utilities
 */
final class FilteredIterator extends ArrayIterator {
	/**
	 * Callback to run as a filter
	 *
	 * @var callable
	 */
	private $callback;

	/**
	 * Create a new iterator
	 *
	 * @param array    $data     The array or object to be iterated on.
	 * @param callable $callback Callback to be called on each value
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $data argument is not iterable.
	 */
	public function __construct($data, $callback) {
		if (InputValidator::is_iterable($data) === false) {
			throw InvalidArgument::create(1, '$data', 'iterable', gettype($data));
		}

		parent::__construct($data);

		if (is_callable($callback)) {
			$this->callback = $callback;
		}
	}

	/**
	 * Prevent unserialization of the object for security reasons.
	 *
	 * @phpcs:disable PHPCompatibility.FunctionNameRestrictions.NewMagicMethods.__unserializeFound
	 *
	 * @param array $data Restored array of data originally serialized.
	 *
	 * @return void
	 */
	#[ReturnTypeWillChange]
	public function __unserialize($data) {}
	// phpcs:enable

	/**
	 * Perform reinitialization tasks.
	 *
	 * Prevents a callback from being injected during unserialization of an object.
	 *
	 * @return void
	 */
	public function __wakeup() {
		unset($this->callback);
	}

	/**
	 * Get the current item's value after filtering
	 *
	 * @return string
	 */
	#[ReturnTypeWillChange]
	public function current() {
		$value = parent::current();

		if (is_callable($this->callback)) {
			$value = call_user_func($this->callback, $value);
		}

		return $value;
	}

	/**
	 * Prevent creating a PHP value from a stored representation of the object for security reasons.
	 *
	 * @param string $data The serialized string.
	 *
	 * @return void
	 */
	#[ReturnTypeWillChange]
	public function unserialize($data) {}
}
PKcLFZ^�	��	�	InputValidator.phpnu�[���
<?php
/**
 * Input validation utilities.
 *
 * @package Requests\Utilities
 */

namespace WpOrg\Requests\Utility;

use ArrayAccess;
use CurlHandle;
use Traversable;

/**
 * Input validation utilities.
 *
 * @package Requests\Utilities
 */
final class InputValidator {

	/**
	 * Verify that a received input parameter is of type string or is "stringable".
	 *
	 * @param mixed $input Input parameter to verify.
	 *
	 * @return bool
	 */
	public static function is_string_or_stringable($input) {
		return is_string($input) || self::is_stringable_object($input);
	}

	/**
	 * Verify whether a received input parameter is usable as an integer array key.
	 *
	 * @param mixed $input Input parameter to verify.
	 *
	 * @return bool
	 */
	public static function is_numeric_array_key($input) {
		if (is_int($input)) {
			return true;
		}

		if (!is_string($input)) {
			return false;
		}

		return (bool) preg_match('`^-?[0-9]+$`', $input);
	}

	/**
	 * Verify whether a received input parameter is "stringable".
	 *
	 * @param mixed $input Input parameter to verify.
	 *
	 * @return bool
	 */
	public static function is_stringable_object($input) {
		return is_object($input) && method_exists($input, '__toString');
	}

	/**
	 * Verify whether a received input parameter is _accessible as if it were an array_.
	 *
	 * @param mixed $input Input parameter to verify.
	 *
	 * @return bool
	 */
	public static function has_array_access($input) {
		return is_array($input) || $input instanceof ArrayAccess;
	}

	/**
	 * Verify whether a received input parameter is "iterable".
	 *
	 * @internal The PHP native `is_iterable()` function was only introduced in PHP 7.1
	 * and this library still supports PHP 5.6.
	 *
	 * @param mixed $input Input parameter to verify.
	 *
	 * @return bool
	 */
	public static function is_iterable($input) {
		return is_array($input) || $input instanceof Traversable;
	}

	/**
	 * Verify whether a received input parameter is a Curl handle.
	 *
	 * The PHP Curl extension worked with resources prior to PHP 8.0 and with
	 * an instance of the `CurlHandle` class since PHP 8.0.
	 * {@link https://www.php.net/manual/en/migration80.incompatible.php#migration80.incompatible.resource2object}
	 *
	 * @param mixed $input Input parameter to verify.
	 *
	 * @return bool
	 */
	public static function is_curl_handle($input) {
		if (is_resource($input)) {
			return get_resource_type($input) === 'curl';
		}

		if (is_object($input)) {
			return $input instanceof CurlHandle;
		}

		return false;
	}
}
PKcLFZ�5L�	�	CaseInsensitiveDictionary.phpnu�[���
<?php
/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests\Utilities
 */

namespace WpOrg\Requests\Utility;

use ArrayAccess;
use ArrayIterator;
use IteratorAggregate;
use ReturnTypeWillChange;
use WpOrg\Requests\Exception;

/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests\Utilities
 */
class CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
	/**
	 * Actual item data
	 *
	 * @var array
	 */
	protected $data = [];

	/**
	 * Creates a case insensitive dictionary.
	 *
	 * @param array $data Dictionary/map to convert to case-insensitive
	 */
	public function __construct(array $data = []) {
		foreach ($data as $offset => $value) {
			$this->offsetSet($offset, $value);
		}
	}

	/**
	 * Check if the given item exists
	 *
	 * @param string $offset Item key
	 * @return boolean Does the item exist?
	 */
	#[ReturnTypeWillChange]
	public function offsetExists($offset) {
		if (is_string($offset)) {
			$offset = strtolower($offset);
		}

		return isset($this->data[$offset]);
	}

	/**
	 * Get the value for the item
	 *
	 * @param string $offset Item key
	 * @return string|null Item value (null if the item key doesn't exist)
	 */
	#[ReturnTypeWillChange]
	public function offsetGet($offset) {
		if (is_string($offset)) {
			$offset = strtolower($offset);
		}

		if (!isset($this->data[$offset])) {
			return null;
		}

		return $this->data[$offset];
	}

	/**
	 * Set the given item
	 *
	 * @param string $offset Item name
	 * @param string $value Item value
	 *
	 * @throws \WpOrg\Requests\Exception On attempting to use dictionary as list (`invalidset`)
	 */
	#[ReturnTypeWillChange]
	public function offsetSet($offset, $value) {
		if ($offset === null) {
			throw new Exception('Object is a dictionary, not a list', 'invalidset');
		}

		if (is_string($offset)) {
			$offset = strtolower($offset);
		}

		$this->data[$offset] = $value;
	}

	/**
	 * Unset the given header
	 *
	 * @param string $offset The key for the item to unset.
	 */
	#[ReturnTypeWillChange]
	public function offsetUnset($offset) {
		if (is_string($offset)) {
			$offset = strtolower($offset);
		}

		unset($this->data[$offset]);
	}

	/**
	 * Get an iterator for the data
	 *
	 * @return \ArrayIterator
	 */
	#[ReturnTypeWillChange]
	public function getIterator() {
		return new ArrayIterator($this->data);
	}

	/**
	 * Get the headers as an array
	 *
	 * @return array Header data
	 */
	public function getAll() {
		return $this->data;
	}
}
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