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class-wp-http-ixr-client.php (3474B)

---

 <?php
 /**
  * WP_HTTP_IXR_Client
  *
  * @package WordPress
  * @since 3.1.0
  */
 class WP_HTTP_IXR_Client extends IXR_Client {
 	public $scheme;
 	/**
 	 * @var IXR_Error
 	 */
 	public $error;
 
 	/**
 	 * @param string       $server
 	 * @param string|false $path
 	 * @param int|false    $port
 	 * @param int          $timeout
 	 */
 	public function __construct( $server, $path = false, $port = false, $timeout = 15 ) {
 		if ( ! $path ) {
 			// Assume we have been given a URL instead.
 			$bits         = parse_url( $server );
 			$this->scheme = $bits['scheme'];
 			$this->server = $bits['host'];
 			$this->port   = isset( $bits['port'] ) ? $bits['port'] : $port;
 			$this->path   = ! empty( $bits['path'] ) ? $bits['path'] : '/';
 
 			// Make absolutely sure we have a path.
 			if ( ! $this->path ) {
 				$this->path = '/';
 			}
 
 			if ( ! empty( $bits['query'] ) ) {
 				$this->path .= '?' . $bits['query'];
 			}
 		} else {
 			$this->scheme = 'http';
 			$this->server = $server;
 			$this->path   = $path;
 			$this->port   = $port;
 		}
 		$this->useragent = 'The Incutio XML-RPC PHP Library';
 		$this->timeout   = $timeout;
 	}
 
 	/**
 	 * @since 3.1.0
 	 * @since 5.5.0 Formalized the existing `...$args` parameter by adding it
 	 *              to the function signature.
 	 *
 	 * @return bool
 	 */
 	public function query( ...$args ) {
 		$method  = array_shift( $args );
 		$request = new IXR_Request( $method, $args );
 		$xml     = $request->getXml();
 
 		$port = $this->port ? ":$this->port" : '';
 		$url  = $this->scheme . '://' . $this->server . $port . $this->path;
 		$args = array(
 			'headers'    => array( 'Content-Type' => 'text/xml' ),
 			'user-agent' => $this->useragent,
 			'body'       => $xml,
 		);
 
 		// Merge Custom headers ala #8145.
 		foreach ( $this->headers as $header => $value ) {
 			$args['headers'][ $header ] = $value;
 		}
 
 		/**
 		 * Filters the headers collection to be sent to the XML-RPC server.
 		 *
 		 * @since 4.4.0
 		 *
 		 * @param string[] $headers Associative array of headers to be sent.
 		 */
 		$args['headers'] = apply_filters( 'wp_http_ixr_client_headers', $args['headers'] );
 
 		if ( false !== $this->timeout ) {
 			$args['timeout'] = $this->timeout;
 		}
 
 		// Now send the request.
 		if ( $this->debug ) {
 			echo '<pre class="ixr_request">' . htmlspecialchars( $xml ) . "\n</pre>\n\n";
 		}
 
 		$response = wp_remote_post( $url, $args );
 
 		if ( is_wp_error( $response ) ) {
 			$errno       = $response->get_error_code();
 			$errorstr    = $response->get_error_message();
 			$this->error = new IXR_Error( -32300, "transport error: $errno $errorstr" );
 			return false;
 		}
 
 		if ( 200 != wp_remote_retrieve_response_code( $response ) ) {
 			$this->error = new IXR_Error( -32301, 'transport error - HTTP status code was not 200 (' . wp_remote_retrieve_response_code( $response ) . ')' );
 			return false;
 		}
 
 		if ( $this->debug ) {
 			echo '<pre class="ixr_response">' . htmlspecialchars( wp_remote_retrieve_body( $response ) ) . "\n</pre>\n\n";
 		}
 
 		// Now parse what we've got back.
 		$this->message = new IXR_Message( wp_remote_retrieve_body( $response ) );
 		if ( ! $this->message->parse() ) {
 			// XML error.
 			$this->error = new IXR_Error( -32700, 'parse error. not well formed' );
 			return false;
 		}
 
 		// Is the message a fault?
 		if ( 'fault' === $this->message->messageType ) {
 			$this->error = new IXR_Error( $this->message->faultCode, $this->message->faultString );
 			return false;
 		}
 
 		// Message must be OK.
 		return true;
 	}
 }