args = wp_parse_args( $args, [ 'width' => $this->DEFAULT_WIDTH, 'height' => $this->DEFAULT_HEIGHT, ] ); } /** * Get mapping of AMP component names to AMP script URLs. * * This is normally no longer needed because the validating * sanitizer will automatically detect the need for them via * the spec. * * @see AMP_Tag_And_Attribute_Sanitizer::get_scripts() * @return array Scripts. */ public function get_scripts() { return []; } /** * Get regex pattern for matching HTML attributes from a given tag name. * * @since 1.5.0 * * @param string $html HTML source haystack. * @param string $tag_name Tag name. * @param string[] $attribute_names Attribute names. * @return string[]|null Matched attributes, or null if the element was not matched at all. */ protected function match_element_attributes( $html, $tag_name, $attribute_names ) { $pattern = sprintf( '/<%s%s/', preg_quote( $tag_name, '/' ), implode( '', array_map( static function ( $attr_name ) { return sprintf( '(?=[^>]*?%1$s="(?P<%1$s>[^"]+)")?', preg_quote( $attr_name, '/' ) ); }, $attribute_names ) ) ); if ( ! preg_match( $pattern, $html, $matches ) ) { return null; } return wp_array_slice_assoc( $matches, $attribute_names ); } /** * Get all child elements of the specified element. * * @since 2.0.6 * * @param DOMElement $node Element. * @return DOMElement[] Array of child elements for specified element. */ protected function get_child_elements( DOMElement $node ) { return array_filter( iterator_to_array( $node->childNodes ), static function ( DOMNode $child ) { return $child instanceof DOMElement; } ); } /** * Replace an element's parent with itself if the parent is a

tag which has no attributes and has no other children. * * This usually happens while `wpautop()` processes the element. * * @since 2.0.6 * @see AMP_Tag_And_Attribute_Sanitizer::remove_node() * * @param DOMElement $node Node. */ protected function unwrap_p_element( DOMElement $node ) { $parent_node = $node->parentNode; if ( $parent_node instanceof DOMElement && 'p' === $parent_node->tagName && false === $parent_node->hasAttributes() && 1 === count( $this->get_child_elements( $parent_node ) ) ) { $parent_node->parentNode->replaceChild( $node, $parent_node ); } } /** * Removes the node's nearest `