return ( $data && is_object( $data ) ) ? $data : false; } /** * Parses an XML response body. * * @since 3.0.0 * * @param string $response_body * @return object|false */ private function _parse_xml( $response_body ) { if ( ! function_exists( 'libxml_disable_entity_loader' ) ) return false; $loader = libxml_disable_entity_loader( true ); $errors = libxml_use_internal_errors( true ); $return = $this->_parse_xml_body( $response_body ); libxml_use_internal_errors( $errors ); libxml_disable_entity_loader( $loader ); return $return; } /** * Serves as a helper function for parsing an XML response body. * * @since 3.6.0 * * @param string $response_body * @return stdClass|false */ private function _parse_xml_body( $response_body ) { if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument', false ) ) return false; $dom = new DOMDocument; $success = $dom->loadXML( $response_body ); if ( ! $success ) return false; if ( isset( $dom->doctype ) ) return false; foreach ( $dom->childNodes as $child ) { if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType ) return false; } $xml = simplexml_import_dom( $dom ); if ( ! $xml ) return false; $return = new stdClass; foreach ( $xml as $key => $value ) { $return->$key = (string) $value; } return $return; } /** * Converts a data object from WP_oEmbed::fetch() and returns the HTML. * * @since 2.9.0 * * @param object $data A data object result from an oEmbed provider. * @param string $url The URL to the content that is desired to be embedded. * @return false|string False on error, otherwise the HTML needed to embed. */ public function data2html( $data, $url ) { if ( ! is_object( $data ) || empty( $data->type ) ) return false; $return = false; switch ( $data->type ) { case 'photo': if ( empty( $data->url ) || empty( $data->width ) || empty( $data->height ) ) break; if ( ! is_string( $data->url ) || ! is_numeric( $data->width ) || ! is_numeric( $data->height ) ) break; $title = ! empty( $data->title ) && is_string( $data->title ) ? $data->title : ''; $return = '' . esc_attr($title) . ''; break; case 'video': case 'rich': if ( ! empty( $data->html ) && is_string( $data->html ) ) $return = $data->html; break; case 'link': if ( ! empty( $data->title ) && is_string( $data->title ) ) $return = '' . esc_html( $data->title ) . ''; break; default: $return = false; } /** * Filters the returned oEmbed HTML. * * Use this filter to add support for custom data types, or to filter the result. * * @since 2.9.0 * * @param string $return The returned oEmbed HTML. * @param object $data A data object result from an oEmbed provider. * @param string $url The URL of the content to be embedded. */ return apply_filters( 'oembed_dataparse', $return, $data, $url ); } /** * Strips any new lines from the HTML. * * @since 2.9.0 as strip_scribd_newlines() * @since 3.0.0 * * @param string $html Existing HTML. * @param object $data Data object from WP_oEmbed::data2html() * @param string $url The original URL passed to oEmbed. * @return string Possibly modified $html */ public function _strip_newlines( $html, $data, $url ) { if ( false === strpos( $html, "\n" ) ) { return $html; } $count = 1; $found = array(); $token = '__PRE__'; $search = array( "\t", "\n", "\r", ' ' ); $replace = array( '__TAB__', '__NL__', '__CR__', '__SPACE__' ); $tokenized = str_replace( $search, $replace, $html ); preg_match_all( '#(]*>.+?)#i', $tokenized, $matches, PREG_SET_ORDER ); foreach ( $matches as $i => $match ) { $tag_html = str_replace( $replace, $search, $match[0] ); $tag_token = $token . $i; $found[ $tag_token ] = $tag_html; $html = str_replace( $tag_html, $tag_token, $html, $count ); } $replaced = str_replace( $replace, $search, $html ); $stripped = str_replace( array( "\r\n", "\n" ), '', $replaced ); $pre = array_values( $found ); $tokens = array_keys( $found ); return str_replace( $tokens, $pre, $stripped ); } }