false, 'native_img' => false, ]; /** * Sanitize the gallery block contained by

element where necessary. * * @since 0.2 */ public function sanitize() { $class_query = 'contains( concat( " ", normalize-space( @class ), " " ), " wp-block-gallery " )'; $expr = sprintf( '//ul[ %s ]', implode( ' or ', [ sprintf( '( parent::figure[ %s ] )', $class_query ), $class_query, ] ) ); $nodes = $this->dom->xpath->query( $expr ); foreach ( $nodes as $node ) { /** @var DOMElement $node */ // In WordPress 5.3, the Gallery block's
is wrapped in a

, so look for that node also. $gallery_node = isset( $node->parentNode ) && AMP_DOM_Utils::has_class( $node->parentNode, self::$class ) ? $node->parentNode : $node; $attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array( $gallery_node ); $is_amp_lightbox = isset( $attributes['data-amp-lightbox'] ) && rest_sanitize_boolean( $attributes['data-amp-lightbox'] ); if ( isset( $attributes['data-amp-carousel'] ) ) { $is_amp_carousel = rest_sanitize_boolean( $attributes['data-amp-carousel'] ); } else { // The carousel_required argument is set to true when the theme does not support AMP. However, it is no // no longer strictly required. Rather, carousels are just enabled by default. $is_amp_carousel = ! empty( $this->args['carousel_required'] ); } // Ensure data-amp-carousel=true attribute is present for proper styling of block. if ( $is_amp_carousel ) { $gallery_node->setAttribute( 'data-amp-carousel', 'true' ); } $img_elements = $this->dom->xpath->query( empty( $this->args['native_img_used'] ) ? './/amp-img | .//amp-anim' : './/img', $node ); $this->process_gallery_embed( $is_amp_carousel, $is_amp_lightbox, $node, $img_elements ); } } /** * Get the caption element for the specified image element. * * @param DOMElement $img_element Image element. * @return DOMElement|null The caption element, or `null` if the image has none. */ protected function get_caption_element( DOMElement $img_element ) { $figcaption_element = null; if ( isset( $img_element->nextSibling->nodeName ) && Tag::FIGCAPTION === $img_element->nextSibling->nodeName ) { $figcaption_element = $img_element->nextSibling; } // If 'Link To' is selected, the image will be wrapped in an , so search for the sibling of the . if ( ! $figcaption_element && isset( $img_element->parentNode->nextSibling->nodeName ) && Tag::FIGCAPTION === $img_element->parentNode->nextSibling->nodeName ) { $figcaption_element = $img_element->parentNode->nextSibling; } if ( $figcaption_element instanceof DOMElement && 0 === $figcaption_element->childNodes->length ) { return null; } return $figcaption_element; } }