WP_HTTP_IXR_Client

8#[AllowDynamicProperties]9class WP_HTTP_IXR_Client extends IXR_Client {10	public $scheme;11	/**12	 * @var IXR_Error13	 */14	public $error;15 16	/**17	 * @param string       $server18	 * @param string|false $path19	 * @param int|false    $port20	 * @param int          $timeout21	 */22	public function __construct( $server, $path = false, $port = false, $timeout = 15 ) {23		if ( ! $path ) {24			// Assume we have been given a URL instead.25			$bits         = parse_url( $server );26			$this->scheme = $bits['scheme'];27			$this->server = $bits['host'];28			$this->port   = isset( $bits['port'] ) ? $bits['port'] : $port;29			$this->path   = ! empty( $bits['path'] ) ? $bits['path'] : '/';30 31			// Make absolutely sure we have a path.32			if ( ! $this->path ) {33				$this->path = '/';34			}35 36			if ( ! empty( $bits['query'] ) ) {37				$this->path .= '?' . $bits['query'];38			}39		} else {40			$this->scheme = 'http';41			$this->server = $server;42			$this->path   = $path;43			$this->port   = $port;44		}45		$this->useragent = 'The Incutio XML-RPC PHP Library';46		$this->timeout   = $timeout;47	}48 49	/**50	 * @since 3.1.051	 * @since 5.5.0 Formalized the existing `...$args` parameter by adding it52	 *              to the function signature.53	 *54	 * @return bool55	 */56	public function query( ...$args ) {57		$method  = array_shift( $args );58		$request = new IXR_Request( $method, $args );59		$xml     = $request->getXml();60 61		$port = $this->port ? ":$this->port" : '';62		$url  = $this->scheme . '://' . $this->server . $port . $this->path;63		$args = array(64			'headers'    => array( 'Content-Type' => 'text/xml' ),65			'user-agent' => $this->useragent,66			'body'       => $xml,67		);68 69		// Merge Custom headers ala #8145.70		foreach ( $this->headers as $header => $value ) {71			$args['headers'][ $header ] = $value;72		}73 74		/**75		 * Filters the headers collection to be sent to the XML-RPC server.76		 *77		 * @since 4.4.078		 *79		 * @param string[] $headers Associative array of headers to be sent.80		 */81		$args['headers'] = apply_filters( 'wp_http_ixr_client_headers', $args['headers'] );82 83		if ( false !== $this->timeout ) {84			$args['timeout'] = $this->timeout;85		}86 87		// Now send the request.