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Edit File: class-wp-html-token.php
<?php /** * HTML API: WP_HTML_Token class * * @package WordPress * @subpackage HTML-API * @since 6.4.0 */ /** * Core class used by the HTML processor during HTML parsing * for referring to tokens in the input HTML string. * * This class is designed for internal use by the HTML processor. * * @since 6.4.0 * * @access private * * @see WP_HTML_Processor */ class WP_HTML_Token { /** * Name of bookmark corresponding to source of token in input HTML string. * * Having a bookmark name does not imply that the token still exists. It * may be that the source token and underlying bookmark was wiped out by * some modification to the source HTML. * * @since 6.4.0 * * @var string */ public $bookmark_name = null; /** * Name of node; lowercase names such as "marker" are not HTML elements. * * For HTML elements/tags this value should come from WP_HTML_Processor::get_tag(). * * @since 6.4.0 * * @see WP_HTML_Processor::get_tag() * * @var string */ public $node_name = null; /** * Whether node contains the self-closing flag. * * A node may have a self-closing flag when it shouldn't. This value * only reports if the flag is present in the original HTML. * * @since 6.4.0 * * @see https://html.spec.whatwg.org/#self-closing-flag * * @var bool */ public $has_self_closing_flag = false; /** * Called when token is garbage-collected or otherwise destroyed. * * @var callable|null */ public $on_destroy = null; /** * Constructor - creates a reference to a token in some external HTML string. * * @since 6.4.0 * * @param string $bookmark_name Name of bookmark corresponding to location in HTML where token is found. * @param string $node_name Name of node token represents; if uppercase, an HTML element; if lowercase, a special value like "marker". * @param bool $has_self_closing_flag Whether the source token contains the self-closing flag, regardless of whether it's valid. * @param callable $on_destroy Function to call when destroying token, useful for releasing the bookmark. */ public function __construct( $bookmark_name, $node_name, $has_self_closing_flag, $on_destroy = null ) { $this->bookmark_name = $bookmark_name; $this->node_name = $node_name; $this->has_self_closing_flag = $has_self_closing_flag; $this->on_destroy = $on_destroy; } /** * Destructor. * * @since 6.4.0 */ public function __destruct() { if ( is_callable( $this->on_destroy ) ) { call_user_func( $this->on_destroy, $this->bookmark_name ); } } /** * Wakeup magic method. * * @since 6.4.2 */ public function __wakeup() { throw new \LogicException( __CLASS__ . ' should never be unserialized' ); } }