*/ class AMPforWP_Embedly_Sanitizer extends AMP_Base_Sanitizer { private $embedly_cards = array(); private static $script_slug = 'amp-embedly-card'; private static $script_src = 'https://cdn.ampproject.org/v0/amp-embedly-card-0.1.js'; public function sanitize() { $body = $this->get_body_node(); $xpath = new DOMXPath($this->dom); $class_name = 'embedly-card'; $blockquotes = $xpath->query("//*[contains(@class,'$class_name')]"); foreach($blockquotes as $embedly_card){ $this->replace_with_amp_embedly_card($embedly_card); } if(count($this->embedly_cards) > 0){ $this->did_convert_elements = true; } } function replace_with_amp_embedly_card ($embedly_card){ $medias = $embedly_card->getElementsByTagName('a'); if($medias->length > 0){ $media = $medias->item(0); $href = $media->getAttribute('href'); $tag = $this->create_amp_embedly_card($href); $this->embedly_cards[] = $tag; // add it to array $embedly_card->parentNode->replaceChild( $tag, $embedly_card); } } function create_amp_embedly_card($href){ $attrs = array( 'data-url' => $href, 'width' => 100, 'height'=> 50, 'layout' => 'responsive' ); $attrs = ampforwp_amp_consent_check( $attrs ); return AMP_DOM_Utils::create_node($this->dom, 'amp-embedly-card', $attrs); } public function get_scripts() { if ( ! $this->did_convert_elements ) { return array(); } return array( self::$script_slug => self::$script_src ); } }