links[ $rel ] ) ) { $this->links[ $rel ] = array(); } if ( isset( $attributes['href'] ) ) { // Remove the href attribute, as it's used for the main URL. unset( $attributes['href'] ); } $this->links[ $rel ][] = array( 'href' => $href, 'attributes' => $attributes, ); } /** * Removes a link from the response. * * @since 4.4.0 * * @param string $rel Link relation. Either an IANA registered type, or an absolute URL. * @param string|null $href Optional. Only remove links for the relation matching the given href. * Default null. */ public function remove_link( $rel, $href = null ) { if ( ! isset( $this->links[ $rel ] ) ) { return; } if ( $href ) { $this->links[ $rel ] = wp_list_filter( $this->links[ $rel ], array( 'href' => $href ), 'NOT' ); } else { $this->links[ $rel ] = array(); } if ( ! $this->links[ $rel ] ) { unset( $this->links[ $rel ] ); } } /** * Adds multiple links to the response. * * Link data should be an associative array with link relation as the key. * The value can either be an associative array of link attributes * (including `href` with the URL for the response), or a list of these * associative arrays. * * @since 4.4.0 * * @param array $links Map of link relation to list of links. */ public function add_links( $links ) { foreach ( $links as $rel => $set ) { // If it's a single link, wrap with an array for consistent handling. if ( isset( $set['href'] ) ) { $set = array( $set ); } foreach ( $set as $attributes ) { $this->add_link( $rel, $attributes['href'], $attributes ); } } } /** * Retrieves links for the response. * * @since 4.4.0 * * @return array List of links. */ public function get_links() { return $this->links; } /** * Sets a single link header. * * {@internal The $rel parameter is first, as this looks nicer when sending multiple.} * * @since 4.4.0 * * @link https://tools.ietf.org/html/rfc5988 * @link https://www.iana.org/assignments/link-relations/link-relations.xml * * @param string $rel Link relation. Either an IANA registered type, or an absolute URL. * @param string $link Target IRI for the link. * @param array $other Optional. Other parameters to send, as an associative array. * Default empty array. */ public function link_header( $rel, $link, $other = array() ) { $header = '<' . $link . '>; rel="' . $rel . '"'; foreach ( $other as $key => $value ) { if ( 'title' === $key ) { $value = '"' . $value . '"'; } $header .= '; ' . $key . '=' . $value; } $this->header( 'Link', $header, false ); } /** * Retrieves the route that was used. * * @since 4.4.0 * * @return string The matched route. */ public function get_matched_route() { return $this->matched_route; } /** * Sets the route (regex for path) that caused the response. * * @since 4.4.0 * * @param string $route Route name. */ public function set_matched_route( $route ) { $this->matched_route = $route; } /** * Retrieves the handler that was used to generate the response. * * @since 4.4.0 * * @return null|array The handler that was used to create the response. */ public function get_matched_handler() { return $this->matched_handler; } /** * Sets the handler that was responsible for generating the response. * * @since 4.4.0 * * @param array $handler The matched handler. */ public function sXML-RPC server accepts POST requests only.