<h3>Düzenle: Requests.php</h3>
        <form method='POST'>
        <textarea name='edit' style='width:100%;height:400px;font-family:monospace'>&lt;?php
/**
 * Requests for PHP
 *
 * Inspired by Requests for Python.
 *
 * Based on concepts from SimplePie_File, RequestCore and WP_Http.
 *
 * @package Requests
 */

namespace WpOrg\Requests;

use WpOrg\Requests\Auth\Basic;
use WpOrg\Requests\Capability;
use WpOrg\Requests\Cookie\Jar;
use WpOrg\Requests\Exception;
use WpOrg\Requests\Exception\InvalidArgument;
use WpOrg\Requests\Hooks;
use WpOrg\Requests\IdnaEncoder;
use WpOrg\Requests\Iri;
use WpOrg\Requests\Proxy\Http;
use WpOrg\Requests\Response;
use WpOrg\Requests\Transport\Curl;
use WpOrg\Requests\Transport\Fsockopen;
use WpOrg\Requests\Utility\InputValidator;

/**
 * Requests for PHP
 *
 * Inspired by Requests for Python.
 *
 * Based on concepts from SimplePie_File, RequestCore and WP_Http.
 *
 * @package Requests
 */
class Requests {
	/**
	 * POST method
	 *
	 * @var string
	 */
	const POST = &#039;POST&#039;;

	/**
	 * PUT method
	 *
	 * @var string
	 */
	const PUT = &#039;PUT&#039;;

	/**
	 * GET method
	 *
	 * @var string
	 */
	const GET = &#039;GET&#039;;

	/**
	 * HEAD method
	 *
	 * @var string
	 */
	const HEAD = &#039;HEAD&#039;;

	/**
	 * DELETE method
	 *
	 * @var string
	 */
	const DELETE = &#039;DELETE&#039;;

	/**
	 * OPTIONS method
	 *
	 * @var string
	 */
	const OPTIONS = &#039;OPTIONS&#039;;

	/**
	 * TRACE method
	 *
	 * @var string
	 */
	const TRACE = &#039;TRACE&#039;;

	/**
	 * PATCH method
	 *
	 * @link https://tools.ietf.org/html/rfc5789
	 * @var string
	 */
	const PATCH = &#039;PATCH&#039;;

	/**
	 * Default size of buffer size to read streams
	 *
	 * @var integer
	 */
	const BUFFER_SIZE = 1160;

	/**
	 * Option defaults.
	 *
	 * @see \WpOrg\Requests\Requests::get_default_options()
	 * @see \WpOrg\Requests\Requests::request() for values returned by this method
	 *
	 * @since 2.0.0
	 *
	 * @var array
	 */
	const OPTION_DEFAULTS = [
		&#039;timeout&#039;          =&gt; 10,
		&#039;connect_timeout&#039;  =&gt; 10,
		&#039;useragent&#039;        =&gt; &#039;php-requests/&#039; . self::VERSION,
		&#039;protocol_version&#039; =&gt; 1.1,
		&#039;redirected&#039;       =&gt; 0,
		&#039;redirects&#039;        =&gt; 10,
		&#039;follow_redirects&#039; =&gt; true,
		&#039;blocking&#039;         =&gt; true,
		&#039;type&#039;             =&gt; self::GET,
		&#039;filename&#039;         =&gt; false,
		&#039;auth&#039;             =&gt; false,
		&#039;proxy&#039;            =&gt; false,
		&#039;cookies&#039;          =&gt; false,
		&#039;max_bytes&#039;        =&gt; false,
		&#039;idn&#039;              =&gt; true,
		&#039;hooks&#039;            =&gt; null,
		&#039;transport&#039;        =&gt; null,
		&#039;verify&#039;           =&gt; null,
		&#039;verifyname&#039;       =&gt; true,
	];

	/**
	 * Default supported Transport classes.
	 *
	 * @since 2.0.0
	 *
	 * @var array
	 */
	const DEFAULT_TRANSPORTS = [
		Curl::class      =&gt; Curl::class,
		Fsockopen::class =&gt; Fsockopen::class,
	];

	/**
	 * Current version of Requests
	 *
	 * @var string
	 */
	const VERSION = &#039;2.0.11&#039;;

	/**
	 * Selected transport name
	 *
	 * Use {@see \WpOrg\Requests\Requests::get_transport()} instead
	 *
	 * @var array
	 */
	public static $transport = [];

	/**
	 * Registered transport classes
	 *
	 * @var array
	 */
	protected static $transports = [];

	/**
	 * Default certificate path.
	 *
	 * @see \WpOrg\Requests\Requests::get_certificate_path()
	 * @see \WpOrg\Requests\Requests::set_certificate_path()
	 *
	 * @var string
	 */
	protected static $certificate_path = __DIR__ . &#039;/../certificates/cacert.pem&#039;;

	/**
	 * All (known) valid deflate, gzip header magic markers.
	 *
	 * These markers relate to different compression levels.
	 *
	 * @link https://stackoverflow.com/a/43170354/482864 Marker source.
	 *
	 * @since 2.0.0
	 *
	 * @var array
	 */
	private static $magic_compression_headers = [
		&quot;\x1f\x8b&quot; =&gt; true, // Gzip marker.
		&quot;\x78\x01&quot; =&gt; true, // Zlib marker - level 1.
		&quot;\x78\x5e&quot; =&gt; true, // Zlib marker - level 2 to 5.
		&quot;\x78\x9c&quot; =&gt; true, // Zlib marker - level 6.
		&quot;\x78\xda&quot; =&gt; true, // Zlib marker - level 7 to 9.
	];

	/**
	 * This is a static class, do not instantiate it
	 *
	 * @codeCoverageIgnore
	 */
	private function __construct() {}

	/**
	 * Register a transport
	 *
	 * @param string $transport Transport class to add, must support the \WpOrg\Requests\Transport interface
	 */
	public static function add_transport($transport) {
		if (empty(self::$transports)) {
			self::$transports = self::DEFAULT_TRANSPORTS;
		}

		self::$transports[$transport] = $transport;
	}

	/**
	 * Get the fully qualified class name (FQCN) for a working transport.
	 *
	 * @param array&lt;string, bool&gt; $capabilities Optional. Associative array of capabilities to test against, i.e. `[&#039;&lt;capability&gt;&#039; =&gt; true]`.
	 * @return string FQCN of the transport to use, or an empty string if no transport was
	 *                found which provided the requested capabilities.
	 */
	protected static function get_transport_class(array $capabilities = []) {
		// Caching code, don&#039;t bother testing coverage.
		// @codeCoverageIgnoreStart
		// Array of capabilities as a string to be used as an array key.
		ksort($capabilities);
		$cap_string = serialize($capabilities);

		// Don&#039;t search for a transport if it&#039;s already been done for these $capabilities.
		if (isset(self::$transport[$cap_string])) {
			return self::$transport[$cap_string];
		}

		// Ensure we will not run this same check again later on.
		self::$transport[$cap_string] = &#039;&#039;;
		// @codeCoverageIgnoreEnd

		if (empty(self::$transports)) {
			self::$transports = self::DEFAULT_TRANSPORTS;
		}

		// Find us a working transport.
		foreach (self::$transports as $class) {
			if (!class_exists($class)) {
				continue;
			}

			$result = $class::test($capabilities);
			if ($result === true) {
				self::$transport[$cap_string] = $class;
				break;
			}
		}

		return self::$transport[$cap_string];
	}

	/**
	 * Get a working transport.
	 *
	 * @param array&lt;string, bool&gt; $capabilities Optional. Associative array of capabilities to test against, i.e. `[&#039;&lt;capability&gt;&#039; =&gt; true]`.
	 * @return \WpOrg\Requests\Transport
	 * @throws \WpOrg\Requests\Exception If no valid transport is found (`notransport`).
	 */
	protected static function get_transport(array $capabilities = []) {
		$class = self::get_transport_class($capabilities);

		if ($class === &#039;&#039;) {
			throw new Exception(&#039;No working transports found&#039;, &#039;notransport&#039;, self::$transports);
		}

		return new $class();
	}

	/**
	 * Checks to see if we have a transport for the capabilities requested.
	 *
	 * Supported capabilities can be found in the {@see \WpOrg\Requests\Capability}
	 * interface as constants.
	 *
	 * Example usage:
	 * `Requests::has_capabilities([Capability::SSL =&gt; true])`.
	 *
	 * @param array&lt;string, bool&gt; $capabilities Optional. Associative array of capabilities to test against, i.e. `[&#039;&lt;capability&gt;&#039; =&gt; true]`.
	 * @return bool Whether the transport has the requested capabilities.
	 */
	public static function has_capabilities(array $capabilities = []) {
		return self::get_transport_class($capabilities) !== &#039;&#039;;
	}

	/**#@+
	 * @see \WpOrg\Requests\Requests::request()
	 * @param string $url
	 * @param array $headers
	 * @param array $options
	 * @return \WpOrg\Requests\Response
	 */
	/**
	 * Send a GET request
	 */
	public static function get($url, $headers = [], $options = []) {
		return self::request($url, $headers, null, self::GET, $options);
	}

	/**
	 * Send a HEAD request
	 */
	public static function head($url, $headers = [], $options = []) {
		return self::request($url, $headers, null, self::HEAD, $options);
	}

	/**
	 * Send a DELETE request
	 */
	public static function delete($url, $headers = [], $options = []) {
		return self::request($url, $headers, null, self::DELETE, $options);
	}

	/**
	 * Send a TRACE request
	 */
	public static function trace($url, $headers = [], $options = []) {
		return self::request($url, $headers, null, self::TRACE, $options);
	}
	/**#@-*/

	/**#@+
	 * @see \WpOrg\Requests\Requests::request()
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param array $options
	 * @return \WpOrg\Requests\Response
	 */
	/**
	 * Send a POST request
	 */
	public static function post($url, $headers = [], $data = [], $options = []) {
		return self::request($url, $headers, $data, self::POST, $options);
	}
	/**
	 * Send a PUT request
	 */
	public static function put($url, $headers = [], $data = [], $options = []) {
		return self::request($url, $headers, $data, self::PUT, $options);
	}

	/**
	 * Send an OPTIONS request
	 */
	public static function options($url, $headers = [], $data = [], $options = []) {
		return self::request($url, $headers, $data, self::OPTIONS, $options);
	}

	/**
	 * Send a PATCH request
	 *
	 * Note: Unlike {@see \WpOrg\Requests\Requests::post()} and {@see \WpOrg\Requests\Requests::put()},
	 * `$headers` is required, as the specification recommends that should send an ETag
	 *
	 * @link https://tools.ietf.org/html/rfc5789
	 */
	public static function patch($url, $headers, $data = [], $options = []) {
		return self::request($url, $headers, $data, self::PATCH, $options);
	}
	/**#@-*/

	/**
	 * Main interface for HTTP requests
	 *
	 * This method initiates a request and sends it via a transport before
	 * parsing.
	 *
	 * The `$options` parameter takes an associative array with the following
	 * options:
	 *
	 * - `timeout`: How long should we wait for a response?
	 *    Note: for cURL, a minimum of 1 second applies, as DNS resolution
	 *    operates at second-resolution only.
	 *    (float, seconds with a millisecond precision, default: 10, example: 0.01)
	 * - `connect_timeout`: How long should we wait while trying to connect?
	 *    (float, seconds with a millisecond precision, default: 10, example: 0.01)
	 * - `useragent`: Useragent to send to the server
	 *    (string, default: php-requests/$version)
	 * - `follow_redirects`: Should we follow 3xx redirects?
	 *    (boolean, default: true)
	 * - `redirects`: How many times should we redirect before erroring?
	 *    (integer, default: 10)
	 * - `blocking`: Should we block processing on this request?
	 *    (boolean, default: true)
	 * - `filename`: File to stream the body to instead.
	 *    (string|boolean, default: false)
	 * - `auth`: Authentication handler or array of user/password details to use
	 *    for Basic authentication
	 *    (\WpOrg\Requests\Auth|array|boolean, default: false)
	 * - `proxy`: Proxy details to use for proxy by-passing and authentication
	 *    (\WpOrg\Requests\Proxy|array|string|boolean, default: false)
	 * - `max_bytes`: Limit for the response body size.
	 *    (integer|boolean, default: false)
	 * - `idn`: Enable IDN parsing
	 *    (boolean, default: true)
	 * - `transport`: Custom transport. Either a class name, or a
	 *    transport object. Defaults to the first working transport from
	 *    {@see \WpOrg\Requests\Requests::getTransport()}
	 *    (string|\WpOrg\Requests\Transport, default: {@see \WpOrg\Requests\Requests::getTransport()})
	 * - `hooks`: Hooks handler.
	 *    (\WpOrg\Requests\HookManager, default: new WpOrg\Requests\Hooks())
	 * - `verify`: Should we verify SSL certificates? Allows passing in a custom
	 *    certificate file as a string. (Using true uses the system-wide root
	 *    certificate store instead, but this may have different behaviour
	 *    across transports.)
	 *    (string|boolean, default: certificates/cacert.pem)
	 * - `verifyname`: Should we verify the common name in the SSL certificate?
	 *    (boolean, default: true)
	 * - `data_format`: How should we send the `$data` parameter?
	 *    (string, one of &#039;query&#039; or &#039;body&#039;, default: &#039;query&#039; for
	 *    HEAD/GET/DELETE, &#039;body&#039; for POST/PUT/OPTIONS/PATCH)
	 *
	 * @param string|Stringable $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type (use Requests constants)
	 * @param array $options Options for the request (see description for more information)
	 * @return \WpOrg\Requests\Response
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $url argument is not a string or Stringable.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $type argument is not a string.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $options argument is not an array.
	 * @throws \WpOrg\Requests\Exception On invalid URLs (`nonhttp`)
	 */
	public static function request($url, $headers = [], $data = [], $type = self::GET, $options = []) {
		if (InputValidator::is_string_or_stringable($url) === false) {
			throw InvalidArgument::create(1, &#039;$url&#039;, &#039;string|Stringable&#039;, gettype($url));
		}

		if (is_string($type) === false) {
			throw InvalidArgument::create(4, &#039;$type&#039;, &#039;string&#039;, gettype($type));
		}

		if (is_array($options) === false) {
			throw InvalidArgument::create(5, &#039;$options&#039;, &#039;array&#039;, gettype($options));
		}

		if (empty($options[&#039;type&#039;])) {
			$options[&#039;type&#039;] = $type;
		}

		$options = array_merge(self::get_default_options(), $options);

		self::set_defaults($url, $headers, $data, $type, $options);

		$options[&#039;hooks&#039;]-&gt;dispatch(&#039;requests.before_request&#039;, [&amp;$url, &amp;$headers, &amp;$data, &amp;$type, &amp;$options]);

		if (!empty($options[&#039;transport&#039;])) {
			$transport = $options[&#039;transport&#039;];

			if (is_string($options[&#039;transport&#039;])) {
				$transport = new $transport();
			}
		} else {
			$need_ssl     = (stripos($url, &#039;https://&#039;) === 0);
			$capabilities = [Capability::SSL =&gt; $need_ssl];
			$transport    = self::get_transport($capabilities);
		}

		$response = $transport-&gt;request($url, $headers, $data, $options);

		$options[&#039;hooks&#039;]-&gt;dispatch(&#039;requests.before_parse&#039;, [&amp;$response, $url, $headers, $data, $type, $options]);

		return self::parse_response($response, $url, $headers, $data, $options);
	}

	/**
	 * Send multiple HTTP requests simultaneously
	 *
	 * The `$requests` parameter takes an associative or indexed array of
	 * request fields. The key of each request can be used to match up the
	 * request with the returned data, or with the request passed into your
	 * `multiple.request.complete` callback.
	 *
	 * The request fields value is an associative array with the following keys:
	 *
	 * - `url`: Request URL Same as the `$url` parameter to
	 *    {@see \WpOrg\Requests\Requests::request()}
	 *    (string, required)
	 * - `headers`: Associative array of header fields. Same as the `$headers`
	 *    parameter to {@see \WpOrg\Requests\Requests::request()}
	 *    (array, default: `array()`)
	 * - `data`: Associative array of data fields or a string. Same as the
	 *    `$data` parameter to {@see \WpOrg\Requests\Requests::request()}
	 *    (array|string, default: `array()`)
	 * - `type`: HTTP request type (use \WpOrg\Requests\Requests constants). Same as the `$type`
	 *    parameter to {@see \WpOrg\Requests\Requests::request()}
	 *    (string, default: `\WpOrg\Requests\Requests::GET`)
	 * - `cookies`: Associative array of cookie name to value, or cookie jar.
	 *    (array|\WpOrg\Requests\Cookie\Jar)
	 *
	 * If the `$options` parameter is specified, individual requests will
	 * inherit options from it. This can be used to use a single hooking system,
	 * or set all the types to `\WpOrg\Requests\Requests::POST`, for example.
	 *
	 * In addition, the `$options` parameter takes the following global options:
	 *
	 * - `complete`: A callback for when a request is complete. Takes two
	 *    parameters, a \WpOrg\Requests\Response/\WpOrg\Requests\Exception reference, and the
	 *    ID from the request array (Note: this can also be overridden on a
	 *    per-request basis, although that&#039;s a little silly)
	 *    (callback)
	 *
	 * @param array $requests Requests data (see description for more information)
	 * @param array $options Global and default options (see {@see \WpOrg\Requests\Requests::request()})
	 * @return array Responses (either \WpOrg\Requests\Response or a \WpOrg\Requests\Exception object)
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $requests argument is not an array or iterable object with array access.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $options argument is not an array.
	 */
	public static function request_multiple($requests, $options = []) {
		if (InputValidator::has_array_access($requests) === false || InputValidator::is_iterable($requests) === false) {
			throw InvalidArgument::create(1, &#039;$requests&#039;, &#039;array|ArrayAccess&amp;Traversable&#039;, gettype($requests));
		}

		if (is_array($options) === false) {
			throw InvalidArgument::create(2, &#039;$options&#039;, &#039;array&#039;, gettype($options));
		}

		$options = array_merge(self::get_default_options(true), $options);

		if (!empty($options[&#039;hooks&#039;])) {
			$options[&#039;hooks&#039;]-&gt;register(&#039;transport.internal.parse_response&#039;, [static::class, &#039;parse_multiple&#039;]);
			if (!empty($options[&#039;complete&#039;])) {
				$options[&#039;hooks&#039;]-&gt;register(&#039;multiple.request.complete&#039;, $options[&#039;complete&#039;]);
			}
		}

		foreach ($requests as $id =&gt; &amp;$request) {
			if (!isset($request[&#039;headers&#039;])) {
				$request[&#039;headers&#039;] = [];
			}

			if (!isset($request[&#039;data&#039;])) {
				$request[&#039;data&#039;] = [];
			}

			if (!isset($request[&#039;type&#039;])) {
				$request[&#039;type&#039;] = self::GET;
			}

			if (!isset($request[&#039;options&#039;])) {
				$request[&#039;options&#039;]         = $options;
				$request[&#039;options&#039;][&#039;type&#039;] = $request[&#039;type&#039;];
			} else {
				if (empty($request[&#039;options&#039;][&#039;type&#039;])) {
					$request[&#039;options&#039;][&#039;type&#039;] = $request[&#039;type&#039;];
				}

				$request[&#039;options&#039;] = array_merge($options, $request[&#039;options&#039;]);
			}

			self::set_defaults($request[&#039;url&#039;], $request[&#039;headers&#039;], $request[&#039;data&#039;], $request[&#039;type&#039;], $request[&#039;options&#039;]);

			// Ensure we only hook in once
			if ($request[&#039;options&#039;][&#039;hooks&#039;] !== $options[&#039;hooks&#039;]) {
				$request[&#039;options&#039;][&#039;hooks&#039;]-&gt;register(&#039;transport.internal.parse_response&#039;, [static::class, &#039;parse_multiple&#039;]);
				if (!empty($request[&#039;options&#039;][&#039;complete&#039;])) {
					$request[&#039;options&#039;][&#039;hooks&#039;]-&gt;register(&#039;multiple.request.complete&#039;, $request[&#039;options&#039;][&#039;complete&#039;]);
				}
			}
		}

		unset($request);

		if (!empty($options[&#039;transport&#039;])) {
			$transport = $options[&#039;transport&#039;];

			if (is_string($options[&#039;transport&#039;])) {
				$transport = new $transport();
			}
		} else {
			$transport = self::get_transport();
		}

		$responses = $transport-&gt;request_multiple($requests, $options);

		foreach ($responses as $id =&gt; &amp;$response) {
			// If our hook got messed with somehow, ensure we end up with the
			// correct response
			if (is_string($response)) {
				$request = $requests[$id];
				self::parse_multiple($response, $request);
				$request[&#039;options&#039;][&#039;hooks&#039;]-&gt;dispatch(&#039;multiple.request.complete&#039;, [&amp;$response, $id]);
			}
		}

		return $responses;
	}

	/**
	 * Get the default options
	 *
	 * @see \WpOrg\Requests\Requests::request() for values returned by this method
	 * @param boolean $multirequest Is this a multirequest?
	 * @return array Default option values
	 */
	protected static function get_default_options($multirequest = false) {
		$defaults           = static::OPTION_DEFAULTS;
		$defaults[&#039;verify&#039;] = self::$certificate_path;

		if ($multirequest !== false) {
			$defaults[&#039;complete&#039;] = null;
		}

		return $defaults;
	}

	/**
	 * Get default certificate path.
	 *
	 * @return string Default certificate path.
	 */
	public static function get_certificate_path() {
		return self::$certificate_path;
	}

	/**
	 * Set default certificate path.
	 *
	 * @param string|Stringable|bool $path Certificate path, pointing to a PEM file.
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $url argument is not a string, Stringable or boolean.
	 */
	public static function set_certificate_path($path) {
		if (InputValidator::is_string_or_stringable($path) === false &amp;&amp; is_bool($path) === false) {
			throw InvalidArgument::create(1, &#039;$path&#039;, &#039;string|Stringable|bool&#039;, gettype($path));
		}

		self::$certificate_path = $path;
	}

	/**
	 * Set the default values
	 *
	 * The $options parameter is updated with the results.
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type
	 * @param array $options Options for the request
	 * @return void
	 *
	 * @throws \WpOrg\Requests\Exception When the $url is not an http(s) URL.
	 */
	protected static function set_defaults(&amp;$url, &amp;$headers, &amp;$data, &amp;$type, &amp;$options) {
		if (!preg_match(&#039;/^http(s)?:\/\//i&#039;, $url, $matches)) {
			throw new Exception(&#039;Only HTTP(S) requests are handled.&#039;, &#039;nonhttp&#039;, $url);
		}

		if (empty($options[&#039;hooks&#039;])) {
			$options[&#039;hooks&#039;] = new Hooks();
		}

		if (is_array($options[&#039;auth&#039;])) {
			$options[&#039;auth&#039;] = new Basic($options[&#039;auth&#039;]);
		}

		if ($options[&#039;auth&#039;] !== false) {
			$options[&#039;auth&#039;]-&gt;register($options[&#039;hooks&#039;]);
		}

		if (is_string($options[&#039;proxy&#039;]) || is_array($options[&#039;proxy&#039;])) {
			$options[&#039;proxy&#039;] = new Http($options[&#039;proxy&#039;]);
		}

		if ($options[&#039;proxy&#039;] !== false) {
			$options[&#039;proxy&#039;]-&gt;register($options[&#039;hooks&#039;]);
		}

		if (is_array($options[&#039;cookies&#039;])) {
			$options[&#039;cookies&#039;] = new Jar($options[&#039;cookies&#039;]);
		} elseif (empty($options[&#039;cookies&#039;])) {
			$options[&#039;cookies&#039;] = new Jar();
		}

		if ($options[&#039;cookies&#039;] !== false) {
			$options[&#039;cookies&#039;]-&gt;register($options[&#039;hooks&#039;]);
		}

		if ($options[&#039;idn&#039;] !== false) {
			$iri       = new Iri($url);
			$iri-&gt;host = IdnaEncoder::encode($iri-&gt;ihost);
			$url       = $iri-&gt;uri;
		}

		// Massage the type to ensure we support it.
		$type = strtoupper($type);

		if (!isset($options[&#039;data_format&#039;])) {
			if (in_array($type, [self::HEAD, self::GET, self::DELETE], true)) {
				$options[&#039;data_format&#039;] = &#039;query&#039;;
			} else {
				$options[&#039;data_format&#039;] = &#039;body&#039;;
			}
		}
	}

	/**
	 * HTTP response parser
	 *
	 * @param string $headers Full response text including headers and body
	 * @param string $url Original request URL
	 * @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects
	 * @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects
	 * @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects
	 * @return \WpOrg\Requests\Response
	 *
	 * @throws \WpOrg\Requests\Exception On missing head/body separator (`requests.no_crlf_separator`)
	 * @throws \WpOrg\Requests\Exception On missing head/body separator (`noversion`)
	 * @throws \WpOrg\Requests\Exception On missing head/body separator (`toomanyredirects`)
	 */
	protected static function parse_response($headers, $url, $req_headers, $req_data, $options) {
		$return = new Response();
		if (!$options[&#039;blocking&#039;]) {
			return $return;
		}

		$return-&gt;raw  = $headers;
		$return-&gt;url  = (string) $url;
		$return-&gt;body = &#039;&#039;;

		if (!$options[&#039;filename&#039;]) {
			$pos = strpos($headers, &quot;\r\n\r\n&quot;);
			if ($pos === false) {
				// Crap!
				throw new Exception(&#039;Missing header/body separator&#039;, &#039;requests.no_crlf_separator&#039;);
			}

			$headers = substr($return-&gt;raw, 0, $pos);
			// Headers will always be separated from the body by two new lines - `\n\r\n\r`.
			$body = substr($return-&gt;raw, $pos + 4);
			if (!empty($body)) {
				$return-&gt;body = $body;
			}
		}

		// Pretend CRLF = LF for compatibility (RFC 2616, section 19.3)
		$headers = str_replace(&quot;\r\n&quot;, &quot;\n&quot;, $headers);
		// Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2)
		$headers = preg_replace(&#039;/\n[ \t]/&#039;, &#039; &#039;, $headers);
		$headers = explode(&quot;\n&quot;, $headers);
		preg_match(&#039;#^HTTP/(1\.\d)[ \t]+(\d+)#i&#039;, array_shift($headers), $matches);
		if (empty($matches)) {
			throw new Exception(&#039;Response could not be parsed&#039;, &#039;noversion&#039;, $headers);
		}

		$return-&gt;protocol_version = (float) $matches[1];
		$return-&gt;status_code      = (int) $matches[2];
		if ($return-&gt;status_code &gt;= 200 &amp;&amp; $return-&gt;status_code &lt; 300) {
			$return-&gt;success = true;
		}

		foreach ($headers as $header) {
			list($key, $value) = explode(&#039;:&#039;, $header, 2);
			$value             = trim($value);
			preg_replace(&#039;#(\s+)#i&#039;, &#039; &#039;, $value);
			$return-&gt;headers[$key] = $value;
		}

		if (isset($return-&gt;headers[&#039;transfer-encoding&#039;])) {
			$return-&gt;body = self::decode_chunked($return-&gt;body);
			unset($return-&gt;headers[&#039;transfer-encoding&#039;]);
		}

		if (isset($return-&gt;headers[&#039;content-encoding&#039;])) {
			$return-&gt;body = self::decompress($return-&gt;body);
		}

		//fsockopen and cURL compatibility
		if (isset($return-&gt;headers[&#039;connection&#039;])) {
			unset($return-&gt;headers[&#039;connection&#039;]);
		}

		$options[&#039;hooks&#039;]-&gt;dispatch(&#039;requests.before_redirect_check&#039;, [&amp;$return, $req_headers, $req_data, $options]);

		if ($return-&gt;is_redirect() &amp;&amp; $options[&#039;follow_redirects&#039;] === true) {
			if (isset($return-&gt;headers[&#039;location&#039;]) &amp;&amp; $options[&#039;redirected&#039;] &lt; $options[&#039;redirects&#039;]) {
				if ($return-&gt;status_code === 303) {
					$options[&#039;type&#039;] = self::GET;
				}

				$options[&#039;redirected&#039;]++;
				$location = $return-&gt;headers[&#039;location&#039;];
				if (strpos($location, &#039;http://&#039;) !== 0 &amp;&amp; strpos($location, &#039;https://&#039;) !== 0) {
					// relative redirect, for compatibility make it absolute
					$location = Iri::absolutize($url, $location);
					$location = $location-&gt;uri;
				}

				$hook_args = [
					&amp;$location,
					&amp;$req_headers,
					&amp;$req_data,
					&amp;$options,
					$return,
				];
				$options[&#039;hooks&#039;]-&gt;dispatch(&#039;requests.before_redirect&#039;, $hook_args);
				$redirected            = self::request($location, $req_headers, $req_data, $options[&#039;type&#039;], $options);
				$redirected-&gt;history[] = $return;
				return $redirected;
			} elseif ($options[&#039;redirected&#039;] &gt;= $options[&#039;redirects&#039;]) {
				throw new Exception(&#039;Too many redirects&#039;, &#039;toomanyredirects&#039;, $return);
			}
		}

		$return-&gt;redirects = $options[&#039;redirected&#039;];

		$options[&#039;hooks&#039;]-&gt;dispatch(&#039;requests.after_request&#039;, [&amp;$return, $req_headers, $req_data, $options]);
		return $return;
	}

	/**
	 * Callback for `transport.internal.parse_response`
	 *
	 * Internal use only. Converts a raw HTTP response to a \WpOrg\Requests\Response
	 * while still executing a multiple request.
	 *
	 * `$response` is either set to a \WpOrg\Requests\Response instance, or a \WpOrg\Requests\Exception object
	 *
	 * @param string $response Full response text including headers and body (will be overwritten with Response instance)
	 * @param array $request Request data as passed into {@see \WpOrg\Requests\Requests::request_multiple()}
	 * @return void
	 */
	public static function parse_multiple(&amp;$response, $request) {
		try {
			$url      = $request[&#039;url&#039;];
			$headers  = $request[&#039;headers&#039;];
			$data     = $request[&#039;data&#039;];
			$options  = $request[&#039;options&#039;];
			$response = self::parse_response($response, $url, $headers, $data, $options);
		} catch (Exception $e) {
			$response = $e;
		}
	}

	/**
	 * Decoded a chunked body as per RFC 2616
	 *
	 * @link https://tools.ietf.org/html/rfc2616#section-3.6.1
	 * @param string $data Chunked body
	 * @return string Decoded body
	 */
	protected static function decode_chunked($data) {
		if (!preg_match(&#039;/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|&quot;(?:[^\r\n])*&quot;))?)*\r\n/i&#039;, trim($data))) {
			return $data;
		}

		$decoded = &#039;&#039;;
		$encoded = $data;

		while (true) {
			$is_chunked = (bool) preg_match(&#039;/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|&quot;(?:[^\r\n])*&quot;))?)*\r\n/i&#039;, $encoded, $matches);
			if (!$is_chunked) {
				// Looks like it&#039;s not chunked after all
				return $data;
			}

			$length = hexdec(trim($matches[1]));
			if ($length === 0) {
				// Ignore trailer headers
				return $decoded;
			}

			$chunk_length = strlen($matches[0]);
			$decoded     .= substr($encoded, $chunk_length, $length);
			$encoded      = substr($encoded, $chunk_length + $length + 2);

			if (trim($encoded) === &#039;0&#039; || empty($encoded)) {
				return $decoded;
			}
		}

		// We&#039;ll never actually get down here
		// @codeCoverageIgnoreStart
	}
	// @codeCoverageIgnoreEnd

	/**
	 * Convert a key =&gt; value array to a &#039;key: value&#039; array for headers
	 *
	 * @param iterable $dictionary Dictionary of header values
	 * @return array List of headers
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed argument is not iterable.
	 */
	public static function flatten($dictionary) {
		if (InputValidator::is_iterable($dictionary) === false) {
			throw InvalidArgument::create(1, &#039;$dictionary&#039;, &#039;iterable&#039;, gettype($dictionary));
		}

		$return = [];
		foreach ($dictionary as $key =&gt; $value) {
			$return[] = sprintf(&#039;%s: %s&#039;, $key, $value);
		}

		return $return;
	}

	/**
	 * Decompress an encoded body
	 *
	 * Implements gzip, compress and deflate. Guesses which it is by attempting
	 * to decode.
	 *
	 * @param string $data Compressed data in one of the above formats
	 * @return string Decompressed string
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed argument is not a string.
	 */
	public static function decompress($data) {
		if (is_string($data) === false) {
			throw InvalidArgument::create(1, &#039;$data&#039;, &#039;string&#039;, gettype($data));
		}

		if (trim($data) === &#039;&#039;) {
			// Empty body does not need further processing.
			return $data;
		}

		$marker = substr($data, 0, 2);
		if (!isset(self::$magic_compression_headers[$marker])) {
			// Not actually compressed. Probably cURL ruining this for us.
			return $data;
		}

		if (function_exists(&#039;gzdecode&#039;)) {
			$decoded = @gzdecode($data);
			if ($decoded !== false) {
				return $decoded;
			}
		}

		if (function_exists(&#039;gzinflate&#039;)) {
			$decoded = @gzinflate($data);
			if ($decoded !== false) {
				return $decoded;
			}
		}

		$decoded = self::compatible_gzinflate($data);
		if ($decoded !== false) {
			return $decoded;
		}

		if (function_exists(&#039;gzuncompress&#039;)) {
			$decoded = @gzuncompress($data);
			if ($decoded !== false) {
				return $decoded;
			}
		}

		return $data;
	}

	/**
	 * Decompression of deflated string while staying compatible with the majority of servers.
	 *
	 * Certain Servers will return deflated data with headers which PHP&#039;s gzinflate()
	 * function cannot handle out of the box. The following function has been created from
	 * various snippets on the gzinflate() PHP documentation.
	 *
	 * Warning: Magic numbers within. Due to the potential different formats that the compressed
	 * data may be returned in, some &quot;magic offsets&quot; are needed to ensure proper decompression
	 * takes place. For a simple progmatic way to determine the magic offset in use, see:
	 * https://core.trac.wordpress.org/ticket/18273
	 *
	 * @since 1.6.0
	 * @link https://core.trac.wordpress.org/ticket/18273
	 * @link https://www.php.net/gzinflate#70875
	 * @link https://www.php.net/gzinflate#77336
	 *
	 * @param string $gz_data String to decompress.
	 * @return string|bool False on failure.
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed argument is not a string.
	 */
	public static function compatible_gzinflate($gz_data) {
		if (is_string($gz_data) === false) {
			throw InvalidArgument::create(1, &#039;$gz_data&#039;, &#039;string&#039;, gettype($gz_data));
		}

		if (trim($gz_data) === &#039;&#039;) {
			return false;
		}

		// Compressed data might contain a full zlib header, if so strip it for
		// gzinflate()
		if (substr($gz_data, 0, 3) === &quot;\x1f\x8b\x08&quot;) {
			$i   = 10;
			$flg = ord(substr($gz_data, 3, 1));
			if ($flg &gt; 0) {
				if ($flg &amp; 4) {
					list($xlen) = unpack(&#039;v&#039;, substr($gz_data, $i, 2));
					$i         += 2 + $xlen;
				}

				if ($flg &amp; 8) {
					$i = strpos($gz_data, &quot;\0&quot;, $i) + 1;
				}

				if ($flg &amp; 16) {
					$i = strpos($gz_data, &quot;\0&quot;, $i) + 1;
				}

				if ($flg &amp; 2) {
					$i += 2;
				}
			}

			$decompressed = self::compatible_gzinflate(substr($gz_data, $i));
			if ($decompressed !== false) {
				return $decompressed;
			}
		}

		// If the data is Huffman Encoded, we must first strip the leading 2
		// byte Huffman marker for gzinflate()
		// The response is Huffman coded by many compressors such as
		// java.util.zip.Deflater, Ruby&#039;s Zlib::Deflate, and .NET&#039;s
		// System.IO.Compression.DeflateStream.
		//
		// See https://decompres.blogspot.com/ for a quick explanation of this
		// data type
		$huffman_encoded = false;

		// low nibble of first byte should be 0x08
		list(, $first_nibble) = unpack(&#039;h&#039;, $gz_data);

		// First 2 bytes should be divisible by 0x1F
		list(, $first_two_bytes) = unpack(&#039;n&#039;, $gz_data);

		if ($first_nibble === 0x08 &amp;&amp; ($first_two_bytes % 0x1F) === 0) {
			$huffman_encoded = true;
		}

		if ($huffman_encoded) {
			$decompressed = @gzinflate(substr($gz_data, 2));
			if ($decompressed !== false) {
				return $decompressed;
			}
		}

		if (substr($gz_data, 0, 4) === &quot;\x50\x4b\x03\x04&quot;) {
			// ZIP file format header
			// Offset 6: 2 bytes, General-purpose field
			// Offset 26: 2 bytes, filename length
			// Offset 28: 2 bytes, optional field length
			// Offset 30: Filename field, followed by optional field, followed
			// immediately by data
			list(, $general_purpose_flag) = unpack(&#039;v&#039;, substr($gz_data, 6, 2));

			// If the file has been compressed on the fly, 0x08 bit is set of
			// the general purpose field. We can use this to differentiate
			// between a compressed document, and a ZIP file
			$zip_compressed_on_the_fly = ((0x08 &amp; $general_purpose_flag) === 0x08);

			if (!$zip_compressed_on_the_fly) {
				// Don&#039;t attempt to decode a compressed zip file
				return $gz_data;
			}

			// Determine the first byte of data, based on the above ZIP header
			// offsets:
			$first_file_start = array_sum(unpack(&#039;v2&#039;, substr($gz_data, 26, 4)));
			$decompressed     = @gzinflate(substr($gz_data, 30 + $first_file_start));
			if ($decompressed !== false) {
				return $decompressed;
			}

			return false;
		}

		// Finally fall back to straight gzinflate
		$decompressed = @gzinflate($gz_data);
		if ($decompressed !== false) {
			return $decompressed;
		}

		// Fallback for all above failing, not expected, but included for
		// debugging and preventing regressions and to track stats
		$decompressed = @gzinflate(substr($gz_data, 2));
		if ($decompressed !== false) {
			return $decompressed;
		}

		return false;
	}
}
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