WP_SimplePie_File

18#[AllowDynamicProperties]19class WP_SimplePie_File extends SimplePie\File {20 21	/**22	 * Timeout.23	 *24	 * @var int How long the connection should stay open in seconds.25	 */26	public $timeout = 10;27 28	/**29	 * Constructor.30	 *31	 * @since 2.8.032	 * @since 3.2.0 Updated to use a PHP5 constructor.33	 * @since 5.6.1 Multiple headers are concatenated into a comma-separated string,34	 *              rather than remaining an array.35	 *36	 * @param string       $url             Remote file URL.37	 * @param int          $timeout         Optional. How long the connection should stay open in seconds.38	 *                                      Default 10.39	 * @param int          $redirects       Optional. The number of allowed redirects. Default 5.40	 * @param string|array $headers         Optional. Array or string of headers to send with the request.41	 *                                      Default null.42	 * @param string       $useragent       Optional. User-agent value sent. Default null.43	 * @param bool         $force_fsockopen Optional. Whether to force opening internet or unix domain socket44	 *                                      connection or not. Default false.45	 */46	public function __construct( $url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false ) {47		$this->url       = $url;48		$this->timeout   = $timeout;49		$this->redirects = $redirects;50		$this->headers   = $headers;51		$this->useragent = $useragent;52 53		$this->method = SimplePie\SimplePie::FILE_SOURCE_REMOTE;54 55		if ( preg_match( '/^http(s)?:\/\//i', $url ) ) {56			$args = array(57				'timeout'     => $this->timeout,58				'redirection' => $this->redirects,59			);60 61			if ( ! empty( $this->headers ) ) {62				$args['headers'] = $this->headers;63			}64 65			if ( SimplePie\Misc::get_default_useragent() !== $this->useragent ) { // Use default WP user agent unless custom has been specified.66				$args['user-agent'] = $this->useragent;67			}68 69			$res = wp_safe_remote_request( $url, $args );70 71			if ( is_wp_error( $res ) ) {72				$this->error   = 'WP HTTP Error: ' . $res->get_error_message();73				$this->success = false;74 75			} else {76				$this->headers = wp_remote_retrieve_headers( $res );77 78				/*79				 * SimplePie expects multiple headers to be stored as a comma-separated string,80				 * but `wp_remote_retrieve_headers()` returns them as an array, so they need81				 * to be converted.82				 *83				 * The only exception to that is the `content-type` header, which should ignore84				 * any previous values and only use the last one.85				 *86				 * @see SimplePie\HTTP\Parser::new_line().87				 */88				foreach ( $this->headers as $name => $value ) {89					if ( ! is_array( $value ) ) {90						continue;91					}92 93					if ( 'content-type' === $name ) {94						$this->headers[ $name ] = array_pop( $value );95					} else {96						$this->headers[ $name ] = implode( ', ', $value );97					}