Critics have remarked that those four worthies were truly peerless throughout the ages; yet the present falls short of the past—the ancients favored unadorned simplicity, whereas the moderns prefer refined elegance. Styles of substance and ornament rise and fall in succession, shifting with the changing mores of the times; such evolution is simply the natural order of things. The ideal lies in honoring antiquity without clashing with the present, and embracing modernity without succumbing to its flaws—embodying that perfect balance of substance and refinement that defines the true gentleman. There is surely no need to abandon a carved palace in favor of a cave dwelling, or to trade a jade carriage for a primitive cart with solid wooden wheels.🌌 SpectraShell

🌌 SpectraShell

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📄 Viewing: 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;

	/**
	 * Indicates if the element is an HTML element or if it's inside foreign content.
	 *
	 * @since 6.7.0
	 *
	 * @var string 'html', 'svg', or 'math'.
	 */
	public $namespace = 'html';

	/**
	 * Indicates which kind of integration point the element is, if any.
	 *
	 * @since 6.7.0
	 *
	 * @var string|null 'math', 'html', or null if not an integration point.
	 */
	public $integration_node_type = null;

	/**
	 * 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|null   $bookmark_name         Name of bookmark corresponding to location in HTML where token is found,
	 *                                             or `null` for markers and nodes without a bookmark.
	 * @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|null $on_destroy            Optional. Function to call when destroying token, useful for releasing the bookmark.
	 */
	public function __construct( ?string $bookmark_name, string $node_name, bool $has_self_closing_flag, ?callable $on_destroy = null ) {
		$this->bookmark_name         = $bookmark_name;
		$this->namespace             = 'html';
		$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' );
	}
}

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