WP_HTML_Stack_Event

20class WP_HTML_Stack_Event {21	/**22	 * Refers to popping an element off of the stack of open elements.23	 *24	 * @since 6.6.025	 */26	const POP = 'pop';27 28	/**29	 * Refers to pushing an element onto the stack of open elements.30	 *31	 * @since 6.6.032	 */33	const PUSH = 'push';34 35	/**36	 * References the token associated with the stack push event,37	 * even if this is a pop event for that element.38	 *39	 * @since 6.6.040	 *41	 * @var WP_HTML_Token42	 */43	public $token;44 45	/**46	 * Indicates which kind of stack operation this event represents.47	 *48	 * May be one of the class constants.49	 *50	 * @since 6.6.051	 *52	 * @see self::POP53	 * @see self::PUSH54	 *55	 * @var string56	 */57	public $operation;58 59	/**60	 * Indicates if the stack element is a real or virtual node.61	 *62	 * @since 6.6.063	 *64	 * @var string65	 */66	public $provenance;67 68	/**69	 * Constructor function.70	 *71	 * @since 6.6.072	 *73	 * @param WP_HTML_Token $token      Token associated with stack event, always an opening token.74	 * @param string        $operation  One of self::PUSH or self::POP.75	 * @param string        $provenance "virtual" or "real".76	 */77	public function __construct( WP_HTML_Token $token, string $operation, string $provenance ) {78		$this->token      = $token;79		$this->operation  = $operation;80		$this->provenance = $provenance;81	}82}