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class-wp-html-processor.php

<?php
/**
 * HTML API: WP_HTML_Processor class
 *
 * @package WordPress
 * @subpackage HTML-API
 * @since 6.4.0
 */

/**
 * Core class used to safely parse and modify an HTML document.
 *
 * The HTML Processor class properly parses and modifies HTML5 documents.
 *
 * It supports a subset of the HTML5 specification, and when it encounters
 * unsupported markup, it aborts early to avoid unintentionally breaking
 * the document. The HTML Processor should never break an HTML document.
 *
 * While the `WP_HTML_Tag_Processor` is a valuable tool for modifying
 * attributes on individual HTML tags, the HTML Processor is more capable
 * and useful for the following operations:
 *
 *  - Querying based on nested HTML structure.
 *
 * Eventually the HTML Processor will also support:
 *  - Wrapping a tag in surrounding HTML.
 *  - Unwrapping a tag by removing its parent.
 *  - Inserting and removing nodes.
 *  - Reading and changing inner content.
 *  - Navigating up or around HTML structure.
 *
 * ## Usage
 *
 * Use of this class requires three steps:
 *
 *   1. Call a static creator method with your input HTML document.
 *   2. Find the location in the document you are looking for.
 *   3. Request changes to the document at that location.
 *
 * Example:
 *
 *     $processor = WP_HTML_Processor::create_fragment( $html );
 *     if ( $processor->next_tag( array( 'breadcrumbs' => array( 'DIV', 'FIGURE', 'IMG' ) ) ) ) {
 *         $processor->add_class( 'responsive-image' );
 *     }
 *
 * #### Breadcrumbs
 *
 * Breadcrumbs represent the stack of open elements from the root
 * of the document or fragment down to the currently-matched node,
 * if one is currently selected. Call WP_HTML_Processor::get_breadcrumbs()
 * to inspect the breadcrumbs for a matched tag.
 *
 * Breadcrumbs can specify nested HTML structure and are equivalent
 * to a CSS selector comprising tag names separated by the child
 * combinator, such as "DIV > FIGURE > IMG".
 *
 * Since all elements find themselves inside a full HTML document
 * when parsed, the return value from `get_breadcrumbs()` will always
 * contain any implicit outermost elements. For example, when parsing
 * with `create_fragment()` in the `BODY` context (the default), any
 * tag in the given HTML document will contain `array( 'HTML', 'BODY', … )`
 * in its breadcrumbs.
 *
 * Despite containing the implied outermost elements in their breadcrumbs,
 * tags may be found with the shortest-matching breadcrumb query. That is,
 * `array( 'IMG' )` matches all IMG elements and `array( 'P', 'IMG' )`
 * matches all IMG elements directly inside a P element. To ensure that no
 * partial matches erroneously match it's possible to specify in a query
 * the full breadcrumb match all the way down from the root HTML element.
 *
 * Example:
 *
 *     $html = '<figure><img><figcaption>A <em>lovely</em> day outside</figcaption></figure>';
 *     //               ----- Matches here.
 *     $processor->next_tag( array( 'breadcrumbs' => array( 'FIGURE', 'IMG' ) ) );
 *
 *     $html = '<figure><img><figcaption>A <em>lovely</em> day outside</figcaption></figure>';
 *     //                                  ---- Matches here.
 *     $processor->next_tag( array( 'breadcrumbs' => array( 'FIGURE', 'FIGCAPTION', 'EM' ) ) );
 *
 *     $html = '<div><img></div><img>';
 *     //                       ----- Matches here, because IMG must be a direct child of the implicit BODY.
 *     $processor->next_tag( array( 'breadcrumbs' => array( 'BODY', 'IMG' ) ) );
 *
 * ## HTML Support
 *
 * This class implements a small part of the HTML5 specification.
 * It's designed to operate within its support and abort early whenever
 * encountering circumstances it can't properly handle. This is
 * the principle way in which this class remains as simple as possible
 * without cutting corners and breaking compliance.
 *
 * ### Supported elements
 *
 * If any unsupported element appears in the HTML input the HTML Processor
 * will abort early and stop all processing. This draconian measure ensures
 * that the HTML Processor won't break any HTML it doesn't fully understand.
 *
 * The following list specifies the HTML tags that _are_ supported:
 *
 *  - Links: A.
 *  - The formatting elements: B, BIG, CODE, EM, FONT, I, SMALL, STRIKE, STRONG, TT, U.
 *  - Containers: DIV, FIGCAPTION, FIGURE, SPAN.
 *  - Form elements: BUTTON.
 *  - Paragraph: P.
 *  - Void elements: IMG.
 *
 * ### Supported markup
 *
 * Some kinds of non-normative HTML involve reconstruction of formatting elements and
 * re-parenting of mis-nested elements. For example, a DIV tag found inside a TABLE
 * may in fact belong _before_ the table in the DOM. If the HTML Processor encounters
 * such a case it will stop processing.
 *
 * The following list specifies HTML markup that _is_ supported:
 *
 *  - Markup involving only those tags listed above.
 *  - Fully-balanced and non-overlapping tags.
 *  - HTML with unexpected tag closers.
 *  - Some unbalanced or overlapping tags.
 *  - P tags after unclosed P tags.
 *  - BUTTON tags after unclosed BUTTON tags.
 *  - A tags after unclosed A tags that don't involve any active formatting elements.
 *
 * @since 6.4.0
 *
 * @see WP_HTML_Tag_Processor
 * @see https://html.spec.whatwg.org/
 */
class WP_HTML_Processor extends WP_HTML_Tag_Processor {
	/**
	 * The maximum number of bookmarks allowed to exist at any given time.
	 *
	 * HTML processing requires more bookmarks than basic tag processing,
	 * so this class constant from the Tag Processor is overwritten.
	 *
	 * @since 6.4.0
	 *
	 * @var int
	 */
	const MAX_BOOKMARKS = 100;

/**
	 * Static query for instructing the Tag Processor to visit every token.
	 *
	 * @access private
	 *
	 * @since 6.4.0
	 *
	 * @var array
	 */
	const VISIT_EVERYTHING = array( 'tag_closers' => 'visit' );

/**
	 * Holds the working state of the parser, including the stack of
	 * open elements and the stack of active formatting elements.
	 *
	 * Initialized in the constructor.
	 *
	 * @since 6.4.0
	 *
	 * @var WP_HTML_Processor_State
	 */
	private $state = null;

/**
	 * Used to create unique bookmark names.
	 *
	 * This class sets a bookmark for every tag in the HTML document that it encounters.
	 * The bookmark name is auto-generated and increments, starting with `1`. These are
	 * internal bookmarks and are automatically released when the referring WP_HTML_Token
	 * goes out of scope and is garbage-collected.
	 *
	 * @since 6.4.0
	 *
	 * @see WP_HTML_Processor::$release_internal_bookmark_on_destruct
	 *
	 * @var int
	 */
	private $bookmark_counter = 0;

/**
	 * Stores an explanation for why something failed, if it did.
	 *
	 * @see self::get_last_error
	 *
	 * @since 6.4.0
	 *
	 * @var string|null
	 */
	private $last_error = null;

/**
	 * Releases a bookmark when PHP garbage-collects its wrapping WP_HTML_Token instance.
	 *
	 * This function is created inside the class constructor so that it can be passed to
	 * the stack of open elements and the stack of active formatting elements without
	 * exposing it as a public method on the class.
	 *
	 * @since 6.4.0
	 *
	 * @var closure
	 */
	private $release_internal_bookmark_on_destruct = null;

/*
	 * Public Interface Functions
	 */

/**
	 * Creates an HTML processor in the fragment parsing mode.
	 *
	 * Use this for cases where you are processing chunks of HTML that
	 * will be found within a bigger HTML document, such as rendered
	 * block output that exists within a post, `the_content` inside a
	 * rendered site layout.
	 *
	 * Fragment parsing occurs within a context, which is an HTML element
	 * that the document will eventually be placed in. It becomes important
	 * when special elements have different rules than others, such as inside
	 * a TEXTAREA or a TITLE tag where things that look like tags are text,
	 * or inside a SCRIPT tag where things that look like HTML syntax are JS.
	 *
	 * The context value should be a representation of the tag into which the
	 * HTML is found. For most cases this will be the body element. The HTML
	 * form is provided because a context element may have attributes that
	 * impact the parse, such as with a SCRIPT tag and its `type` attribute.
	 *
	 * ## Current HTML Support
	 *
	 *  - The only supported context is `<body>`, which is the default value.
	 *  - The only supported document encoding is `UTF-8`, which is the default value.
	 *
	 * @since 6.4.0
	 *
	 * @param string $html     Input HTML fragment to process.
	 * @param string $context  Context element for the fragment, must be default of `<body>`.
	 * @param string $encoding Text encoding of the document; must be default of 'UTF-8'.
	 * @return WP_HTML_Processor|null The created processor if successful, otherwise null.
	 */
	public static function create_fragment( $html, $context = '<body>', $encoding = 'UTF-8' ) {
		if ( '<body>' !== $context || 'UTF-8' !== $encoding ) {
			return null;
		}

$p                        = new self( $html, self::CONSTRUCTOR_UNLOCK_CODE );
		$p->state->context_node   = array( 'BODY', array() );
		$p->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_BODY;

// @TODO: Create "fake" bookmarks for non-existent but implied nodes.
		$p->bookmarks['root-node']    = new WP_HTML_Span( 0, 0 );
		$p->bookmarks['context-node'] = new WP_HTML_Span( 0, 0 );

$p->state->stack_of_open_elements->push(
			new WP_HTML_Token(
				'root-node',
				'HTML',
				false
			)
		);

$p->state->stack_of_open_elements->push(
			new WP_HTML_Token(
				'context-node',
				$p->state->context_node[0],
				false
			)
		);

return $p;
	}

/**
	 * Constructor.
	 *
	 * Do not use this method. Use the static creator methods instead.
	 *
	 * @access private
	 *
	 * @since 6.4.0
	 *
	 * @see WP_HTML_Processor::create_fragment()
	 *
	 * @param string      $html                                  HTML to process.
	 * @param string|null $use_the_static_create_methods_instead This constructor should not be called manually.
	 */
	public function __construct( $html, $use_the_static_create_methods_instead = null ) {
		parent::__construct( $html );

if ( self::CONSTRUCTOR_UNLOCK_CODE !== $use_the_static_create_methods_instead ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: WP_HTML_Processor::create_fragment(). */
					__( 'Call %s to create an HTML Processor instead of calling the constructor directly.' ),
					'<code>WP_HTML_Processor::create_fragment()</code>'
				),
				'6.4.0'
			);
		}

$this->state = new WP_HTML_Processor_State();

/*
		 * Create this wrapper so that it's possible to pass
		 * a private method into WP_HTML_Token classes without
		 * exposing it to any public API.
		 */
		$this->release_internal_bookmark_on_destruct = function ( $name ) {
			parent::release_bookmark( $name );
		};
	}

/**
	 * Returns the last error, if any.
	 *
	 * Various situations lead to parsing failure but this class will
	 * return `false` in all those cases. To determine why something
	 * failed it's possible to request the last error. This can be
	 * helpful to know to distinguish whether a given tag couldn't
	 * be found or if content in the document caused the processor
	 * to give up and abort processing.
	 *
	 * Example
	 *
	 *     $processor = WP_HTML_Processor::create_fragment( '<template><strong><button><em><p><em>' );
	 *     false === $processor->next_tag();
	 *     WP_HTML_Processor::ERROR_UNSUPPORTED === $processor->get_last_error();
	 *
	 * @since 6.4.0
	 *
	 * @see self::ERROR_UNSUPPORTED
	 * @see self::ERROR_EXCEEDED_MAX_BOOKMARKS
	 *
	 * @return string|null The last error, if one exists, otherwise null.
	 */
	public function get_last_error() {
		return $this->last_error;
	}

/**
	 * Finds the next tag matching the $query.
	 *
	 * @TODO: Support matching the class name and tag name.
	 *
	 * @since 6.4.0
	 *
	 * @throws Exception When unable to allocate a bookmark for the next token in the input HTML document.
	 *
	 * @param array|string|null $query {
	 *     Optional. Which tag name to find, having which class, etc. Default is to find any tag.
	 *
	 *     @type string|null $tag_name     Which tag to find, or `null` for "any tag."
	 *     @type int|null    $match_offset Find the Nth tag matching all search criteria.
	 *                                     1 for "first" tag, 3 for "third," etc.
	 *                                     Defaults to first tag.
	 *     @type string|null $class_name   Tag must contain this whole class name to match.
	 *     @type string[]    $breadcrumbs  DOM sub-path at which element is found, e.g. `array( 'FIGURE', 'IMG' )`.
	 *                                     May also contain the wildcard `*` which matches a single element, e.g. `array( 'SECTION', '*' )`.
	 * }
	 * @return bool Whether a tag was matched.
	 */
	public function next_tag( $query = null ) {
		if ( null === $query ) {
			while ( $this->step() ) {
				if ( ! $this->is_tag_closer() ) {
					return true;
				}
			}

return false;
		}

if ( is_string( $query ) ) {
			$query = array( 'breadcrumbs' => array( $query ) );
		}

if ( ! is_array( $query ) ) {
			_doing_it_wrong(
				__METHOD__,
				__( 'Please pass a query array to this function.' ),
				'6.4.0'
			);
			return false;
		}

if ( ! ( array_key_exists( 'breadcrumbs', $query ) && is_array( $query['breadcrumbs'] ) ) ) {
			while ( $this->step() ) {
				if ( ! $this->is_tag_closer() ) {
					return true;
				}
			}

return false;
		}

if ( isset( $query['tag_closers'] ) && 'visit' === $query['tag_closers'] ) {
			_doing_it_wrong(
				__METHOD__,
				__( 'Cannot visit tag closers in HTML Processor.' ),
				'6.4.0'
			);
			return false;
		}

$breadcrumbs  = $query['breadcrumbs'];
		$match_offset = isset( $query['match_offset'] ) ? (int) $query['match_offset'] : 1;

while ( $match_offset > 0 && $this->step() ) {
			if ( $this->matches_breadcrumbs( $breadcrumbs ) && 0 === --$match_offset ) {
				return true;
			}
		}

return false;
	}

/**
	 * Indicates if the currently-matched tag matches the given breadcrumbs.
	 *
	 * A "*" represents a single tag wildcard, where any tag matches, but not no tags.
	 *
	 * At some point this function _may_ support a `**` syntax for matching any number
	 * of unspecified tags in the breadcrumb stack. This has been intentionally left
	 * out, however, to keep this function simple and to avoid introducing backtracking,
	 * which could open up surprising performance breakdowns.
	 *
	 * Example:
	 *
	 *     $processor = WP_HTML_Processor::create_fragment( '<div><span><figure><img></figure></span></div>' );
	 *     $processor->next_tag( 'img' );
	 *     true  === $processor->matches_breadcrumbs( array( 'figure', 'img' ) );
	 *     true  === $processor->matches_breadcrumbs( array( 'span', 'figure', 'img' ) );
	 *     false === $processor->matches_breadcrumbs( array( 'span', 'img' ) );
	 *     true  === $processor->matches_breadcrumbs( array( 'span', '*', 'img' ) );
	 *
	 * @since 6.4.0
	 *
	 * @param string[] $breadcrumbs DOM sub-path at which element is found, e.g. `array( 'FIGURE', 'IMG' )`.
	 *                              May also contain the wildcard `*` which matches a single element, e.g. `array( 'SECTION', '*' )`.
	 * @return bool Whether the currently-matched tag is found at the given nested structure.
	 */
	public function matches_breadcrumbs( $breadcrumbs ) {
		if ( ! $this->get_tag() ) {
			return false;
		}

// Everything matches when there are zero constraints.
		if ( 0 === count( $breadcrumbs ) ) {
			return true;
		}

// Start at the last crumb.
		$crumb = end( $breadcrumbs );

if ( '*' !== $crumb && $this->get_tag() !== strtoupper( $crumb ) ) {
			return false;
		}

foreach ( $this->state->stack_of_open_elements->walk_up() as $node ) {
			$crumb = strtoupper( current( $breadcrumbs ) );

if ( '*' !== $crumb && $node->node_name !== $crumb ) {
				return false;
			}

if ( false === prev( $breadcrumbs ) ) {
				return true;
			}
		}

return false;
	}

/**
	 * Steps through the HTML document and stop at the next tag, if any.
	 *
	 * @since 6.4.0
	 *
	 * @throws Exception When unable to allocate a bookmark for the next token in the input HTML document.
	 *
	 * @see self::PROCESS_NEXT_NODE
	 * @see self::REPROCESS_CURRENT_NODE
	 *
	 * @param string $node_to_process Whether to parse the next node or reprocess the current node.
	 * @return bool Whether a tag was matched.
	 */
	public function step( $node_to_process = self::PROCESS_NEXT_NODE ) {
		// Refuse to proceed if there was a previous error.
		if ( null !== $this->last_error ) {
			return false;
		}

if ( self::PROCESS_NEXT_NODE === $node_to_process ) {
			/*
			 * Void elements still hop onto the stack of open elements even though
			 * there's no corresponding closing tag. This is important for managing
			 * stack-based operations such as "navigate to parent node" or checking
			 * on an element's breadcrumbs.
			 *
			 * When moving on to the next node, therefore, if the bottom-most element
			 * on the stack is a void element, it must be closed.
			 *
			 * @TODO: Once self-closing foreign elements and BGSOUND are supported,
			 *        they must also be implicitly closed here too. BGSOUND is
			 *        special since it's only self-closing if the self-closing flag
			 *        is provided in the opening tag, otherwise it expects a tag closer.
			 */
			$top_node = $this->state->stack_of_open_elements->current_node();
			if ( $top_node && self::is_void( $top_node->node_name ) ) {
				$this->state->stack_of_open_elements->pop();
			}

parent::next_tag( self::VISIT_EVERYTHING );
		}

// Finish stepping when there are no more tokens in the document.
		if ( null === $this->get_tag() ) {
			return false;
		}

$this->state->current_token = new WP_HTML_Token(
			$this->bookmark_tag(),
			$this->get_tag(),
			$this->is_tag_closer(),
			$this->release_internal_bookmark_on_destruct
		);

try {
			switch ( $this->state->insertion_mode ) {
				case WP_HTML_Processor_State::INSERTION_MODE_IN_BODY:
					return $this->step_in_body();

default:
					$this->last_error = self::ERROR_UNSUPPORTED;
					throw new WP_HTML_Unsupported_Exception( "No support for parsing in the '{$this->state->insertion_mode}' state." );
			}
		} catch ( WP_HTML_Unsupported_Exception $e ) {
			/*
			 * Exceptions are used in this class to escape deep call stacks that
			 * otherwise might involve messier calling and return conventions.
			 */
			return false;
		}
	}

/**
	 * Computes the HTML breadcrumbs for the currently-matched node, if matched.
	 *
	 * Breadcrumbs start at the outermost parent and descend toward the matched element.
	 * They always include the entire path from the root HTML node to the matched element.
	 *
	 * @TODO: It could be more efficient to expose a generator-based version of this function
	 *        to avoid creating the array copy on tag iteration. If this is done, it would likely
	 *        be more useful to walk up the stack when yielding instead of starting at the top.
	 *
	 * Example
	 *
	 *     $processor = WP_HTML_Processor::create_fragment( '<p><strong><em><img></em></strong></p>' );
	 *     $processor->next_tag( 'IMG' );
	 *     $processor->get_breadcrumbs() === array( 'HTML', 'BODY', 'P', 'STRONG', 'EM', 'IMG' );
	 *
	 * @since 6.4.0
	 *
	 * @return string[]|null Array of tag names representing path to matched node, if matched, otherwise NULL.
	 */
	public function get_breadcrumbs() {
		if ( ! $this->get_tag() ) {
			return null;
		}

$breadcrumbs = array();
		foreach ( $this->state->stack_of_open_elements->walk_down() as $stack_item ) {
			$breadcrumbs[] = $stack_item->node_name;
		}

return $breadcrumbs;
	}

/**
	 * Parses next element in the 'in body' insertion mode.
	 *
	 * This internal function performs the 'in body' insertion mode
	 * logic for the generalized WP_HTML_Processor::step() function.
	 *
	 * @since 6.4.0
	 *
	 * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-inbody
	 * @see WP_HTML_Processor::step
	 *
	 * @return bool Whether an element was found.
	 */
	private function step_in_body() {
		$tag_name = $this->get_tag();
		$op_sigil = $this->is_tag_closer() ? '-' : '+';
		$op       = "{$op_sigil}{$tag_name}";

switch ( $op ) {
			/*
			 * > A start tag whose tag name is "button"
			 */
			case '+BUTTON':
				if ( $this->state->stack_of_open_elements->has_element_in_scope( 'BUTTON' ) ) {
					// @TODO: Indicate a parse error once it's possible. This error does not impact the logic here.
					$this->generate_implied_end_tags();
					$this->state->stack_of_open_elements->pop_until( 'BUTTON' );
				}

$this->reconstruct_active_formatting_elements();
				$this->insert_html_element( $this->state->current_token );
				$this->state->frameset_ok = false;

return true;

/*
			 * > A start tag whose tag name is one of: "address", "article", "aside",
			 * > "blockquote", "center", "details", "dialog", "dir", "div", "dl",
			 * > "fieldset", "figcaption", "figure", "footer", "header", "hgroup",
			 * > "main", "menu", "nav", "ol", "p", "search", "section", "summary", "ul"
			 */
			case '+BLOCKQUOTE':
			case '+DIV':
			case '+FIGCAPTION':
			case '+FIGURE':
			case '+P':
				if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) {
					$this->close_a_p_element();
				}

$this->insert_html_element( $this->state->current_token );
				return true;

/*
			 * > An end tag whose tag name is one of: "address", "article", "aside", "blockquote",
			 * > "button", "center", "details", "dialog", "dir", "div", "dl", "fieldset",
			 * > "figcaption", "figure", "footer", "header", "hgroup", "listing", "main",
			 * > "menu", "nav", "ol", "pre", "search", "section", "summary", "ul"
			 */
			case '-BLOCKQUOTE':
			case '-BUTTON':
			case '-DIV':
			case '-FIGCAPTION':
			case '-FIGURE':
				if ( ! $this->state->stack_of_open_elements->has_element_in_scope( $tag_name ) ) {
					// @TODO: Report parse error.
					// Ignore the token.
					return $this->step();
				}

$this->generate_implied_end_tags();
				if ( $this->state->stack_of_open_elements->current_node()->node_name !== $tag_name ) {
					// @TODO: Record parse error: this error doesn't impact parsing.
				}
				$this->state->stack_of_open_elements->pop_until( $tag_name );
				return true;

/*
			 * > An end tag whose tag name is "p"
			 */
			case '-P':
				if ( ! $this->state->stack_of_open_elements->has_p_in_button_scope() ) {
					$this->insert_html_element( $this->state->current_token );
				}

$this->close_a_p_element();
				return true;

// > A start tag whose tag name is "a"
			case '+A':
				foreach ( $this->state->active_formatting_elements->walk_up() as $item ) {
					switch ( $item->node_name ) {
						case 'marker':
							break;

case 'A':
							$this->run_adoption_agency_algorithm();
							$this->state->active_formatting_elements->remove_node( $item );
							$this->state->stack_of_open_elements->remove_node( $item );
							break;
					}
				}

$this->reconstruct_active_formatting_elements();
				$this->insert_html_element( $this->state->current_token );
				$this->state->active_formatting_elements->push( $this->state->current_token );
				return true;

/*
			 * > A start tag whose tag name is one of: "b", "big", "code", "em", "font", "i",
			 * > "s", "small", "strike", "strong", "tt", "u"
			 */
			case '+B':
			case '+BIG':
			case '+CODE':
			case '+EM':
			case '+FONT':
			case '+I':
			case '+S':
			case '+SMALL':
			case '+STRIKE':
			case '+STRONG':
			case '+TT':
			case '+U':
				$this->reconstruct_active_formatting_elements();
				$this->insert_html_element( $this->state->current_token );
				$this->state->active_formatting_elements->push( $this->state->current_token );
				return true;

/*
			 * > An end tag whose tag name is one of: "a", "b", "big", "code", "em", "font", "i",
			 * > "nobr", "s", "small", "strike", "strong", "tt", "u"
			 */
			case '-A':
			case '-B':
			case '-BIG':
			case '-CODE':
			case '-EM':
			case '-FONT':
			case '-I':
			case '-S':
			case '-SMALL':
			case '-STRIKE':
			case '-STRONG':
			case '-TT':
			case '-U':
				$this->run_adoption_agency_algorithm();
				return true;

/*
			 * > A start tag whose tag name is one of: "area", "br", "embed", "img", "keygen", "wbr"
			 */
			case '+IMG':
				$this->reconstruct_active_formatting_elements();
				$this->insert_html_element( $this->state->current_token );
				return true;

/*
			 * > Any other start tag
			 */
			case '+SPAN':
				$this->reconstruct_active_formatting_elements();
				$this->insert_html_element( $this->state->current_token );
				return true;

/*
			 * Any other end tag
			 */
			case '-SPAN':
				foreach ( $this->state->stack_of_open_elements->walk_up() as $item ) {
					// > If node is an HTML element with the same tag name as the token, then:
					if ( $item->node_name === $tag_name ) {
						$this->generate_implied_end_tags( $tag_name );

// > If node is not the current node, then this is a parse error.

$this->state->stack_of_open_elements->pop_until( $tag_name );
						return true;
					}

// > Otherwise, if node is in the special category, then this is a parse error; ignore the token, and return.
					if ( self::is_special( $item->node_name ) ) {
						return $this->step();
					}
				}
				// Execution should not reach here; if it does then something went wrong.
				return false;

default:
				$this->last_error = self::ERROR_UNSUPPORTED;
				throw new WP_HTML_Unsupported_Exception( "Cannot process {$tag_name} element." );
		}
	}

/*
	 * Internal helpers
	 */

/**
	 * Creates a new bookmark for the currently-matched tag and returns the generated name.
	 *
	 * @since 6.4.0
	 *
	 * @throws Exception When unable to allocate requested bookmark.
	 *
	 * @return string|false Name of created bookmark, or false if unable to create.
	 */
	private function bookmark_tag() {
		if ( ! $this->get_tag() ) {
			return false;
		}

if ( ! parent::set_bookmark( ++$this->bookmark_counter ) ) {
			$this->last_error = self::ERROR_EXCEEDED_MAX_BOOKMARKS;
			throw new Exception( 'could not allocate bookmark' );
		}

return "{$this->bookmark_counter}";
	}

/*
	 * HTML semantic overrides for Tag Processor
	 */

/**
	 * Returns the uppercase name of the matched tag.
	 *
	 * The semantic rules for HTML specify that certain tags be reprocessed
	 * with a different tag name. Because of this, the tag name presented
	 * by the HTML Processor may differ from the one reported by the HTML
	 * Tag Processor, which doesn't apply these semantic rules.
	 *
	 * Example:
	 *
	 *     $processor = new WP_HTML_Tag_Processor( '<div class="test">Test</div>' );
	 *     $processor->next_tag() === true;
	 *     $processor->get_tag() === 'DIV';
	 *
	 *     $processor->next_tag() === false;
	 *     $processor->get_tag() === null;
	 *
	 * @since 6.4.0
	 *
	 * @return string|null Name of currently matched tag in input HTML, or `null` if none found.
	 */
	public function get_tag() {
		if ( null !== $this->last_error ) {
			return null;
		}

$tag_name = parent::get_tag();

switch ( $tag_name ) {
			case 'IMAGE':
				/*
				 * > A start tag whose tag name is "image"
				 * > Change the token's tag name to "img" and reprocess it. (Don't ask.)
				 */
				return 'IMG';

default:
				return $tag_name;
		}
	}

/**
	 * Removes a bookmark that is no longer needed.
	 *
	 * Releasing a bookmark frees up the small
	 * performance overhead it requires.
	 *
	 * @since 6.4.0
	 *
	 * @param string $bookmark_name Name of the bookmark to remove.
	 * @return bool Whether the bookmark already existed before removal.
	 */
	public function release_bookmark( $bookmark_name ) {
		return parent::release_bookmark( "_{$bookmark_name}" );
	}

/**
	 * Moves the internal cursor in the HTML Processor to a given bookmark's location.
	 *
	 * In order to prevent accidental infinite loops, there's a
	 * maximum limit on the number of times seek() can be called.
	 *
	 * @throws Exception When unable to allocate a bookmark for the next token in the input HTML document.
	 *
	 * @since 6.4.0
	 *
	 * @param string $bookmark_name Jump to the place in the document identified by this bookmark name.
	 * @return bool Whether the internal cursor was successfully moved to the bookmark's location.
	 */
	public function seek( $bookmark_name ) {
		$actual_bookmark_name = "_{$bookmark_name}";
		$processor_started_at = $this->state->current_token
			? $this->bookmarks[ $this->state->current_token->bookmark_name ]->start
			: 0;
		$bookmark_starts_at   = $this->bookmarks[ $actual_bookmark_name ]->start;
		$direction            = $bookmark_starts_at > $processor_started_at ? 'forward' : 'backward';

switch ( $direction ) {
			case 'forward':
				// When moving forwards, re-parse the document until reaching the same location as the original bookmark.
				while ( $this->step() ) {
					if ( $bookmark_starts_at === $this->bookmarks[ $this->state->current_token->bookmark_name ]->start ) {
						return true;
					}
				}

return false;

case 'backward':
				/*
				 * When moving backwards, clear out all existing stack entries which appear after the destination
				 * bookmark. These could be stored for later retrieval, but doing so would require additional
				 * memory overhead and also demand that references and bookmarks are updated as the document
				 * changes. In time this could be a valuable optimization, but it's okay to give up that
				 * optimization in exchange for more CPU time to recompute the stack, to re-parse the
				 * document that may have already been parsed once.
				 */
				foreach ( $this->state->stack_of_open_elements->walk_up() as $item ) {
					if ( $bookmark_starts_at >= $this->bookmarks[ $item->bookmark_name ]->start ) {
						break;
					}

$this->state->stack_of_open_elements->remove_node( $item );
				}

foreach ( $this->state->active_formatting_elements->walk_up() as $item ) {
					if ( $bookmark_starts_at >= $this->bookmarks[ $item->bookmark_name ]->start ) {
						break;
					}

$this->state->active_formatting_elements->remove_node( $item );
				}

return parent::seek( $actual_bookmark_name );
		}
	}

/**
	 * Sets a bookmark in the HTML document.
	 *
	 * Bookmarks represent specific places or tokens in the HTML
	 * document, such as a tag opener or closer. When applying
	 * edits to a document, such as setting an attribute, the
	 * text offsets of that token may shift; the bookmark is
	 * kept updated with those shifts and remains stable unless
	 * the entire span of text in which the token sits is removed.
	 *
	 * Release bookmarks when they are no longer needed.
	 *
	 * Example:
	 *
	 *     <main><h2>Surprising fact you may not know!</h2></main>
	 *           ^  ^
	 *            \-|-- this `H2` opener bookmark tracks the token
	 *
	 *     <main class="clickbait"><h2>Surprising fact you may no…
	 *                             ^  ^
	 *                              \-|-- it shifts with edits
	 *
	 * Bookmarks provide the ability to seek to a previously-scanned
	 * place in the HTML document. This avoids the need to re-scan
	 * the entire document.
	 *
	 * Example:
	 *
	 *     <ul><li>One</li><li>Two</li><li>Three</li></ul>
	 *                                 ^^^^
	 *                                 want to note this last item
	 *
	 *     $p = new WP_HTML_Tag_Processor( $html );
	 *     $in_list = false;
	 *     while ( $p->next_tag( array( 'tag_closers' => $in_list ? 'visit' : 'skip' ) ) ) {
	 *         if ( 'UL' === $p->get_tag() ) {
	 *             if ( $p->is_tag_closer() ) {
	 *                 $in_list = false;
	 *                 $p->set_bookmark( 'resume' );
	 *                 if ( $p->seek( 'last-li' ) ) {
	 *                     $p->add_class( 'last-li' );
	 *                 }
	 *                 $p->seek( 'resume' );
	 *                 $p->release_bookmark( 'last-li' );
	 *                 $p->release_bookmark( 'resume' );
	 *             } else {
	 *                 $in_list = true;
	 *             }
	 *         }
	 *
	 *         if ( 'LI' === $p->get_tag() ) {
	 *             $p->set_bookmark( 'last-li' );
	 *         }
	 *     }
	 *
	 * Bookmarks intentionally hide the internal string offsets
	 * to which they refer. They are maintained internally as
	 * updates are applied to the HTML document and therefore
	 * retain their "position" - the location to which they
	 * originally pointed. The inability to use bookmarks with
	 * functions like `substr` is therefore intentional to guard
	 * against accidentally breaking the HTML.
	 *
	 * Because bookmarks allocate memory and require processing
	 * for every applied update, they are limited and require
	 * a name. They should not be created with programmatically-made
	 * names, such as "li_{$index}" with some loop. As a general
	 * rule they should only be created with string-literal names
	 * like "start-of-section" or "last-paragraph".
	 *
	 * Bookmarks are a powerful tool to enable complicated behavior.
	 * Consider double-checking that you need this tool if you are
	 * reaching for it, as inappropriate use could lead to broken
	 * HTML structure or unwanted processing overhead.
	 *
	 * @since 6.4.0
	 *
	 * @param string $bookmark_name Identifies this particular bookmark.
	 * @return bool Whether the bookmark was successfully created.
	 */
	public function set_bookmark( $bookmark_name ) {
		return parent::set_bookmark( "_{$bookmark_name}" );
	}

/*
	 * HTML Parsing Algorithms
	 */

/**
	 * Closes a P element.
	 *
	 * @since 6.4.0
	 *
	 * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
	 *
	 * @see https://html.spec.whatwg.org/#close-a-p-element
	 */
	private function close_a_p_element() {
		$this->generate_implied_end_tags( 'P' );
		$this->state->stack_of_open_elements->pop_until( 'P' );
	}

/**
	 * Closes elements that have implied end tags.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#generate-implied-end-tags
	 *
	 * @param string|null $except_for_this_element Perform as if this element doesn't exist in the stack of open elements.
	 */
	private function generate_implied_end_tags( $except_for_this_element = null ) {
		$elements_with_implied_end_tags = array(
			'P',
		);

$current_node = $this->state->stack_of_open_elements->current_node();
		while (
			$current_node && $current_node->node_name !== $except_for_this_element &&
			in_array( $this->state->stack_of_open_elements->current_node(), $elements_with_implied_end_tags, true )
		) {
			$this->state->stack_of_open_elements->pop();
		}
	}

/**
	 * Closes elements that have implied end tags, thoroughly.
	 *
	 * See the HTML specification for an explanation why this is
	 * different from generating end tags in the normal sense.
	 *
	 * @since 6.4.0
	 *
	 * @see WP_HTML_Processor::generate_implied_end_tags
	 * @see https://html.spec.whatwg.org/#generate-implied-end-tags
	 */
	private function generate_implied_end_tags_thoroughly() {
		$elements_with_implied_end_tags = array(
			'P',
		);

while ( in_array( $this->state->stack_of_open_elements->current_node(), $elements_with_implied_end_tags, true ) ) {
			$this->state->stack_of_open_elements->pop();
		}
	}

/**
	 * Reconstructs the active formatting elements.
	 *
	 * > This has the effect of reopening all the formatting elements that were opened
	 * > in the current body, cell, or caption (whichever is youngest) that haven't
	 * > been explicitly closed.
	 *
	 * @since 6.4.0
	 *
	 * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
	 *
	 * @see https://html.spec.whatwg.org/#reconstruct-the-active-formatting-elements
	 *
	 * @return bool Whether any formatting elements needed to be reconstructed.
	 */
	private function reconstruct_active_formatting_elements() {
		/*
		 * > If there are no entries in the list of active formatting elements, then there is nothing
		 * > to reconstruct; stop this algorithm.
		 */
		if ( 0 === $this->state->active_formatting_elements->count() ) {
			return false;
		}

$last_entry = $this->state->active_formatting_elements->current_node();
		if (

/*
			 * > If the last (most recently added) entry in the list of active formatting elements is a marker;
			 * > stop this algorithm.
			 */
			'marker' === $last_entry->node_name ||

/*
			 * > If the last (most recently added) entry in the list of active formatting elements is an
			 * > element that is in the stack of open elements, then there is nothing to reconstruct;
			 * > stop this algorithm.
			 */
			$this->state->stack_of_open_elements->contains_node( $last_entry )
		) {
			return false;
		}

$this->last_error = self::ERROR_UNSUPPORTED;
		throw new WP_HTML_Unsupported_Exception( 'Cannot reconstruct active formatting elements when advancing and rewinding is required.' );
	}

/**
	 * Runs the adoption agency algorithm.
	 *
	 * @since 6.4.0
	 *
	 * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
	 *
	 * @see https://html.spec.whatwg.org/#adoption-agency-algorithm
	 */
	private function run_adoption_agency_algorithm() {
		$budget       = 1000;
		$subject      = $this->get_tag();
		$current_node = $this->state->stack_of_open_elements->current_node();

if (
			// > If the current node is an HTML element whose tag name is subject
			$current_node && $subject === $current_node->node_name &&
			// > the current node is not in the list of active formatting elements
			! $this->state->active_formatting_elements->contains_node( $current_node )
		) {
			$this->state->stack_of_open_elements->pop();
			return;
		}

$outer_loop_counter = 0;
		while ( $budget-- > 0 ) {
			if ( $outer_loop_counter++ >= 8 ) {
				return;
			}

/*
			 * > Let formatting element be the last element in the list of active formatting elements that:
			 * >   - is between the end of the list and the last marker in the list,
			 * >     if any, or the start of the list otherwise,
			 * >   - and has the tag name subject.
			 */
			$formatting_element = null;
			foreach ( $this->state->active_formatting_elements->walk_up() as $item ) {
				if ( 'marker' === $item->node_name ) {
					break;
				}

if ( $subject === $item->node_name ) {
					$formatting_element = $item;
					break;
				}
			}

// > If there is no such element, then return and instead act as described in the "any other end tag" entry above.
			if ( null === $formatting_element ) {
				$this->last_error = self::ERROR_UNSUPPORTED;
				throw new WP_HTML_Unsupported_Exception( 'Cannot run adoption agency when "any other end tag" is required.' );
			}

// > If formatting element is not in the stack of open elements, then this is a parse error; remove the element from the list, and return.
			if ( ! $this->state->stack_of_open_elements->contains_node( $formatting_element ) ) {
				$this->state->active_formatting_elements->remove_node( $formatting_element->bookmark_name );
				return;
			}

// > If formatting element is in the stack of open elements, but the element is not in scope, then this is a parse error; return.
			if ( ! $this->state->stack_of_open_elements->has_element_in_scope( $formatting_element->node_name ) ) {
				return;
			}

/*
			 * > Let furthest block be the topmost node in the stack of open elements that is lower in the stack
			 * > than formatting element, and is an element in the special category. There might not be one.
			 */
			$is_above_formatting_element = true;
			$furthest_block              = null;
			foreach ( $this->state->stack_of_open_elements->walk_down() as $item ) {
				if ( $is_above_formatting_element && $formatting_element->bookmark_name !== $item->bookmark_name ) {
					continue;
				}

if ( $is_above_formatting_element ) {
					$is_above_formatting_element = false;
					continue;
				}

if ( self::is_special( $item->node_name ) ) {
					$furthest_block = $item;
					break;
				}
			}

/*
			 * > If there is no furthest block, then the UA must first pop all the nodes from the bottom of the
			 * > stack of open elements, from the current node up to and including formatting element, then
			 * > remove formatting element from the list of active formatting elements, and finally return.
			 */
			if ( null === $furthest_block ) {
				foreach ( $this->state->stack_of_open_elements->walk_up() as $item ) {
					$this->state->stack_of_open_elements->pop();

if ( $formatting_element->bookmark_name === $item->bookmark_name ) {
						$this->state->active_formatting_elements->remove_node( $formatting_element );
						return;
					}
				}
			}

$this->last_error = self::ERROR_UNSUPPORTED;
			throw new WP_HTML_Unsupported_Exception( 'Cannot extract common ancestor in adoption agency algorithm.' );
		}

$this->last_error = self::ERROR_UNSUPPORTED;
		throw new WP_HTML_Unsupported_Exception( 'Cannot run adoption agency when looping required.' );
	}

/**
	 * Inserts an HTML element on the stack of open elements.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#insert-a-foreign-element
	 *
	 * @param WP_HTML_Token $token Name of bookmark pointing to element in original input HTML.
	 */
	private function insert_html_element( $token ) {
		$this->state->stack_of_open_elements->push( $token );
	}

/*
	 * HTML Specification Helpers
	 */

/**
	 * Returns whether an element of a given name is in the HTML special category.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#special
	 *
	 * @param string $tag_name Name of element to check.
	 * @return bool Whether the element of the given name is in the special category.
	 */
	public static function is_special( $tag_name ) {
		$tag_name = strtoupper( $tag_name );

return (
			'ADDRESS' === $tag_name ||
			'APPLET' === $tag_name ||
			'AREA' === $tag_name ||
			'ARTICLE' === $tag_name ||
			'ASIDE' === $tag_name ||
			'BASE' === $tag_name ||
			'BASEFONT' === $tag_name ||
			'BGSOUND' === $tag_name ||
			'BLOCKQUOTE' === $tag_name ||
			'BODY' === $tag_name ||
			'BR' === $tag_name ||
			'BUTTON' === $tag_name ||
			'CAPTION' === $tag_name ||
			'CENTER' === $tag_name ||
			'COL' === $tag_name ||
			'COLGROUP' === $tag_name ||
			'DD' === $tag_name ||
			'DETAILS' === $tag_name ||
			'DIR' === $tag_name ||
			'DIV' === $tag_name ||
			'DL' === $tag_name ||
			'DT' === $tag_name ||
			'EMBED' === $tag_name ||
			'FIELDSET' === $tag_name ||
			'FIGCAPTION' === $tag_name ||
			'FIGURE' === $tag_name ||
			'FOOTER' === $tag_name ||
			'FORM' === $tag_name ||
			'FRAME' === $tag_name ||
			'FRAMESET' === $tag_name ||
			'H1' === $tag_name ||
			'H2' === $tag_name ||
			'H3' === $tag_name ||
			'H4' === $tag_name ||
			'H5' === $tag_name ||
			'H6' === $tag_name ||
			'HEAD' === $tag_name ||
			'HEADER' === $tag_name ||
			'HGROUP' === $tag_name ||
			'HR' === $tag_name ||
			'HTML' === $tag_name ||
			'IFRAME' === $tag_name ||
			'IMG' === $tag_name ||
			'INPUT' === $tag_name ||
			'KEYGEN' === $tag_name ||
			'LI' === $tag_name ||
			'LINK' === $tag_name ||
			'LISTING' === $tag_name ||
			'MAIN' === $tag_name ||
			'MARQUEE' === $tag_name ||
			'MENU' === $tag_name ||
			'META' === $tag_name ||
			'NAV' === $tag_name ||
			'NOEMBED' === $tag_name ||
			'NOFRAMES' === $tag_name ||
			'NOSCRIPT' === $tag_name ||
			'OBJECT' === $tag_name ||
			'OL' === $tag_name ||
			'P' === $tag_name ||
			'PARAM' === $tag_name ||
			'PLAINTEXT' === $tag_name ||
			'PRE' === $tag_name ||
			'SCRIPT' === $tag_name ||
			'SEARCH' === $tag_name ||
			'SECTION' === $tag_name ||
			'SELECT' === $tag_name ||
			'SOURCE' === $tag_name ||
			'STYLE' === $tag_name ||
			'SUMMARY' === $tag_name ||
			'TABLE' === $tag_name ||
			'TBODY' === $tag_name ||
			'TD' === $tag_name ||
			'TEMPLATE' === $tag_name ||
			'TEXTAREA' === $tag_name ||
			'TFOOT' === $tag_name ||
			'TH' === $tag_name ||
			'THEAD' === $tag_name ||
			'TITLE' === $tag_name ||
			'TR' === $tag_name ||
			'TRACK' === $tag_name ||
			'UL' === $tag_name ||
			'WBR' === $tag_name ||
			'XMP' === $tag_name ||

// MathML.
			'MI' === $tag_name ||
			'MO' === $tag_name ||
			'MN' === $tag_name ||
			'MS' === $tag_name ||
			'MTEXT' === $tag_name ||
			'ANNOTATION-XML' === $tag_name ||

// SVG.
			'FOREIGNOBJECT' === $tag_name ||
			'DESC' === $tag_name ||
			'TITLE' === $tag_name
		);
	}

/**
	 * Returns whether a given element is an HTML Void Element
	 *
	 * > area, base, br, col, embed, hr, img, input, link, meta, source, track, wbr
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#void-elements
	 *
	 * @param string $tag_name Name of HTML tag to check.
	 * @return bool Whether the given tag is an HTML Void Element.
	 */
	public static function is_void( $tag_name ) {
		$tag_name = strtoupper( $tag_name );

return (
			'AREA' === $tag_name ||
			'BASE' === $tag_name ||
			'BR' === $tag_name ||
			'COL' === $tag_name ||
			'EMBED' === $tag_name ||
			'HR' === $tag_name ||
			'IMG' === $tag_name ||
			'INPUT' === $tag_name ||
			'LINK' === $tag_name ||
			'META' === $tag_name ||
			'SOURCE' === $tag_name ||
			'TRACK' === $tag_name ||
			'WBR' === $tag_name
		);
	}

/*
	 * Constants that would pollute the top of the class if they were found there.
	 */

/**
	 * Indicates that the next HTML token should be parsed and processed.
	 *
	 * @since 6.4.0
	 *
	 * @var string
	 */
	const PROCESS_NEXT_NODE = 'process-next-node';

/**
	 * Indicates that the current HTML token should be reprocessed in the newly-selected insertion mode.
	 *
	 * @since 6.4.0
	 *
	 * @var string
	 */
	const REPROCESS_CURRENT_NODE = 'reprocess-current-node';

/**
	 * Indicates that the parser encountered unsupported markup and has bailed.
	 *
	 * @since 6.4.0
	 *
	 * @var string
	 */
	const ERROR_UNSUPPORTED = 'unsupported';

/**
	 * Indicates that the parser encountered more HTML tokens than it
	 * was able to process and has bailed.
	 *
	 * @since 6.4.0
	 *
	 * @var string
	 */
	const ERROR_EXCEEDED_MAX_BOOKMARKS = 'exceeded-max-bookmarks';

/**
	 * Unlock code that must be passed into the constructor to create this class.
	 *
	 * This class extends the WP_HTML_Tag_Processor, which has a public class
	 * constructor. Therefore, it's not possible to have a private constructor here.
	 *
	 * This unlock code is used to ensure that anyone calling the constructor is
	 * doing so with a full understanding that it's intended to be a private API.
	 *
	 * @access private
	 */
	const CONSTRUCTOR_UNLOCK_CODE = 'Use WP_HTML_Processor::create_fragment() instead of calling the class constructor directly.';
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	saveypkb/saveypkb	0755	2026-04-03 07:17:04
..	dir	-	saveypkb/saveypkb	0755	2026-04-03 07:17:03
class-wp-html-active-formatting-elements.php	text/x-php	5.63 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-attribute-token.php	text/x-php	1.88 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-open-elements.php	text/x-php	11.66 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-processor-state.php	text/x-php	3.25 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-processor.php	text/x-php	45.6 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-span.php	text/x-php	1.01 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-tag-processor.php	text/x-php	77.42 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-text-replacement.php	text/x-php	1.28 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-token.php	text/x-php	2.73 KB	saveypkb/saveypkb	0644	2023-12-10 11:54:24
class-wp-html-unsupported-exception.php	text/x-php	836 B	saveypkb/saveypkb	0644	2023-12-10 11:54:24
error_log	text/plain	9.05 KB	saveypkb/saveypkb	0644	2026-02-26 11:12:10

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