ilingslashit( $addl_path ) : '';

				if ( ! is_singular() && get_query_var( 'withcomments' ) ) {
					$addl_path .= 'comments/';
				}

				if ( ( 'rss' === $default_feed && 'feed' === $feed ) || 'rss' === $feed ) {
					$format = ( 'rss2' === $default_feed ) ? '' : 'rss2';
				} else {
					$format = ( $default_feed === $feed || 'feed' === $feed ) ? '' : $feed;
				}

				$addl_path .= user_trailingslashit( 'feed/' . $format, 'feed' );

				$redirect['query'] = remove_query_arg( 'feed', $redirect['query'] );
			} elseif ( is_feed() && 'old' === $feed ) {
				$old_feed_files = array(
					'wp-atom.php'         => 'atom',
					'wp-commentsrss2.php' => 'comments_rss2',
					'wp-feed.php'         => $default_feed,
					'wp-rdf.php'          => 'rdf',
					'wp-rss.php'          => 'rss2',
					'wp-rss2.php'         => 'rss2',
				);

				if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) {
					$redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] );

					wp_redirect( $redirect_url, 301 );
					die();
				}
			}

			if ( $paged > 0 ) {
				$redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );

				if ( ! is_feed() ) {
					if ( ! is_single() ) {
						$addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '';

						if ( $paged > 1 ) {
							$addl_path .= user_trailingslashit( "$wp_rewrite->pagination_base/$paged", 'paged' );
						}
					}
				} elseif ( $paged > 1 ) {
					$redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] );
				}
			}

			$default_comments_page = get_option( 'default_comments_page' );

			if ( get_option( 'page_comments' )
				&& ( 'newest' === $default_comments_page && $cpage > 0
					|| 'newest' !== $default_comments_page && $cpage > 1 )
			) {
				$addl_path  = ( ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '' );
				$addl_path .= user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . $cpage, 'commentpaged' );

				$redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
			}

			// Strip off trailing /index.php/.
			$redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path'] );
			$redirect['path'] = user_trailingslashit( $redirect['path'] );

			if ( ! empty( $addl_path )
				&& $wp_rewrite->using_index_permalinks()
				&& ! str_contains( $redirect['path'], '/' . $wp_rewrite->index . '/' )
			) {
				$redirect['path'] = trailingslashit( $redirect['path'] ) . $wp_rewrite->index . '/';
			}

			if ( ! empty( $addl_path ) ) {
				$redirect['path'] = trailingslashit( $redirect['path'] ) . $addl_path;
			}

			$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
		}

		if ( 'wp-register.php' === basename( $redirect['path'] ) ) {
			if ( is_multisite() ) {
				/** This filter is documented in wp-login.php */
				$redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
			} else {
				$redirect_url = wp_registration_url();
			}

			wp_redirect( $redirect_url, 301 );
			die();
		}
	}

	$is_attachment_redirect = false;

	if ( is_attachment() && ! get_option( 'wp_attachment_pages_enabled' ) ) {
		$attachment_id        = get_query_var( 'attachment_id' );
		$attachment_post      = get_post( $attachment_id );
		$attachment_parent_id = $attachment_post ? $attachment_post->post_parent : 0;
		$attachment_url       = wp_get_attachment_url( $attachment_id );

		if ( $attachment_url !== $redirect_url ) {
			/*
			 * If an attachment is attached to a post, it inherits the parent post's status.
			 * Fetch the parent post to check its status later.
			 */
			if ( $attachment_parent_id ) {
				$redirect_obj = get_post( $attachment_parent_id );
			}

			$redirect_url = $attachment_url;
		}

		$is_attachment_redirect = true;
	}

	$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );

	// Tack on any additional query vars.
	if ( $redirect_url && ! empty( $redirect['query'] ) ) {
		parse_str( $redirect['query'], $_parsed_query );
		$redirect = parse_url( $redirect_url );

		if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) {
			parse_str( $redirect['query'], $_parsed_redirect_query );

			if ( empty( $_parsed_redirect_query['name'] ) ) {
				unset( $_parsed_query['name'] );
			}
		}

		$_parsed_query = array_combine(
			rawurlencode_deep( array_keys( $_parsed_query ) ),
			rawurlencode_deep( array_values( $_parsed_query ) )
		);

		$redirect_url = add_query_arg( $_parsed_query, $redirect_url );
	}

	if ( $redirect_url ) {
		$redirect = parse_url( $redirect_url );
	}

	// www.example.com vs. example.com
	$user_home = parse_url( home_url() );

	if ( ! empty( $user_home['host'] ) ) {
		$redirect['host'] = $user_home['host'];
	}

	if ( empty( $user_home['path'] ) ) {
		$user_home['path'] = '/';
	}

	// Handle ports.
	if ( ! empty( $user_home['port'] ) ) {
		$redirect['port'] = $user_home['port'];
	} else {
		unset( $redirect['port'] );
	}

	// Trailing /index.php.
	$redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path'] );

	$punctuation_pattern = implode(
		'|',
		array_map(
			'preg_quote',
			array(
				' ',
				'%20',  // Space.
				'!',
				'%21',  // Exclamation mark.
				'"',
				'%22',  // Double quote.
				"'",
				'%27',  // Single quote.
				'(',
				'%28',  // Opening bracket.
				')',
				'%29',  // Closing bracket.
				',',
				'%2C',  // Comma.
				'.',
				'%2E',  // Period.
				';',
				'%3B',  // Semicolon.
				'{',
				'%7B',  // Opening curly bracket.
				'}',
				'%7D',  // Closing curly bracket.
				'%E2%80%9C', // Opening curly quote.
				'%E2%80%9D', // Closing curly quote.
			)
		)
	);

	// Remove trailing spaces and end punctuation from the path.
	$redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] );

	if ( ! empty( $redirect['query'] ) ) {
		// Remove trailing spaces and end punctuation from certain terminating query string args.
		$redirect['query'] = preg_replace( "#((^|&)(p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] );

		// Clean up empty query strings.
		$redirect['query'] = trim( preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query'] ), '&' );

		// Redirect obsolete feeds.
		$redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] );

		// Remove redundant leading ampersands.
		$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
	}

	// Strip /index.php/ when we're not using PATHINFO permalinks.
	if ( ! $wp_rewrite->using_index_permalinks() ) {
		$redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] );
	}

	// Trailing slashes.
	if ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks()
		&& ! $is_attachment_redirect
		&& ! is_404() && ( ! is_front_page() || is_front_page() && get_query_var( 'paged' ) > 1 )
	) {
		$user_ts_type = '';

		if ( get_query_var( 'paged' ) > 0 ) {
			$user_ts_type = 'paged';
		} else {
			foreach ( array( 'single', 'category', 'page', 'day', 'month', 'year', 'home' ) as $type ) {
				$func = 'is_' . $type;
				if ( call_user_func( $func ) ) {
					$user_ts_type = $type;
					break;
				}
			}
		}

		$redirect['path'] = user_trailingslashit( $redirect['path'], $user_ts_type );
	} elseif ( is_front_page() ) {
		$redirect['path'] = trailingslashit( $redirect['path'] );
	}

	// Remove trailing slash for robots.txt or sitemap requests.
	if ( is_robots()
		|| ! empty( get_query_var( 'sitemap' ) ) || ! empty( get_query_var( 'sitemap-stylesheet' ) )
	) {
		$redirect['path'] = untrailingslashit( $redirect['path'] );
	}

	// Strip multiple slashes out of the URL.
	if ( str_contains( $redirect['path'], '//' ) ) {
		$redirect['path'] = preg_replace( '|/+|', '/', $redirect['path'] );
	}

	// Always trailing slash the Front Page URL.
	if ( trailingslashit( $redirect['path'] ) === trailingslashit( $user_home['path'] ) ) {
		$redirect['path'] = trailingslashit( $redirect['path'] );
	}

	$original_host_low = strtolower( $original['host'] );
	$redirect_host_low = strtolower( $redirect['host'] );

	/*
	 * Ignore differences in host capitalization, as this can lead to infinite redirects.
	 * Only redirect no-www <=> yes-www.
	 */
	if ( $original_host_low === $redirect_host_low
		|| ( 'www.' . $original_host_low !== $redirect_host_low
			&& 'www.' . $redirect_host_low !== $original_host_low )
	) {
		$redirect['host'] = $original['host'];
	}

	$compare_original = array( $original['host'], $original['path'] );

	if ( ! empty( $original['port'] ) ) {
		$compare_original[] = $original['port'];
	}

	if ( ! empty( $original['query'] ) ) {
		$compare_original[] = $original['query'];
	}

	$compare_redirect = array( $redirect['host'], $redirect['path'] );

	if ( ! empty( $redirect['port'] ) ) {
		$compare_redirect[] = $redirect['port'];
	}

	if ( ! empty( $redirect['query'] ) ) {
		$compare_redirect[] = $redirect['query'];
	}

	if ( $compare_original !== $compare_redirect ) {
		$redirect_url = $redirect['scheme'] . '://' . $redirect['host'];

		if ( ! empty( $redirect['port'] ) ) {
			$redirect_url .= ':' . $redirect['port'];
		}

		$redirect_url .= $redirect['path'];

		if ( ! empty( $redirect['query'] ) ) {
			$redirect_url .= '?' . $redirect['query'];
		}
	}

	if ( ! $redirect_url || $redirect_url === $requested_url ) {
		return;
	}

	// Hex-encoded octets are case-insensitive.
	if ( str_contains( $requested_url, '%' ) ) {
		if ( ! function_exists( 'lowercase_octets' ) ) {
			/**
			 * Converts the first hex-encoded octet match to lowercase.
			 *
			 * @since 3.1.0
			 * @ignore
			 *
			 * @param array $matches Hex-encoded octet matches for the requested URL.
			 * @return string Lowercased version of the first match.
			 */
			function lowercase_octets( $matches ) {
				return strtolower( $matches[0] );
			}
		}

		$requested_url = preg_replace_callback( '|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url );
	}

	if ( $redirect_obj instanceof WP_Post ) {
		$post_status_obj = get_post_status_object( get_post_status( $redirect_obj ) );
		/*
		 * Unset the redirect object and URL if they are not readable by the user.
		 * This condition is a little confusing as the condition needs to pass if
		 * the post is not readable by the user. That's why there are ! (not) conditions
		 * throughout.
		 */
		if (
			// Private post statuses only redirect if the user can read them.
			! (
				$post_status_obj->private &&
				current_user_can( 'read_post', $redirect_obj->ID )
			) &&
			// For other posts, only redirect if publicly viewable.
			! is_post_publicly_viewable( $redirect_obj )
		) {
			$redirect_obj = false;
			$redirect_url = false;
		}
	}

	/**
	 * Filters the canonical redirect URL.
	 *
	 * Returning false to this filter will cancel the redirect.
	 *
	 * @since 2.3.0
	 *
	 * @param string $redirect_url  The redirect URL.
	 * @param string $requested_url The requested URL.
	 */
	$redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url );

	// Yes, again -- in case the filter aborted the request.
	if ( ! $redirect_url || strip_fragment_from_url( $redirect_url ) === strip_fragment_from_url( $requested_url ) ) {
		return;
	}

	if ( $do_redirect ) {
		// Protect against chained redirects.
		if ( ! redirect_canonical( $redirect_url, false ) ) {
			wp_redirect( $redirect_url, 301 );
			exit;
		} else {
			// Debug.
			// die("1: $redirect_url<br />2: " . redirect_canonical( $redirect_url, false ) );
			return;
		}
	} else {
		return $redirect_url;
	}
}

/**
 * Removes arguments from a query string if they are not present in a URL
 * DO NOT use this in plugin code.
 *
 * @since 3.4.0
 * @access private
 *
 * @param string $query_string
 * @param array  $args_to_check
 * @param string $url
 * @return string The altered query string
 */
function _remove_qs_args_if_not_in_url( $query_string, array $args_to_check, $url ) {
	$parsed_url = parse_url( $url );

	if ( ! empty( $parsed_url['query'] ) ) {
		parse_str( $parsed_url['query'], $parsed_query );

		foreach ( $args_to_check as $qv ) {
			if ( ! isset( $parsed_query[ $qv ] ) ) {
				$query_string = remove_query_arg( $qv, $query_string );
			}
		}
	} else {
		$query_string = remove_query_arg( $args_to_check, $query_string );
	}

	return $query_string;
}

/**
 * Strips the #fragment from a URL, if one is present.
 *
 * @since 4.4.0
 *
 * @param string $url The URL to strip.
 * @return string The altered URL.
 */
function strip_fragment_from_url( $url ) {
	$parsed_url = wp_parse_url( $url );

	if ( ! empty( $parsed_url['host'] ) ) {
		$url = '';

		if ( ! empty( $parsed_url['scheme'] ) ) {
			$url = $parsed_url['scheme'] . ':';
		}

		$url .= '//' . $parsed_url['host'];

		if ( ! empty( $parsed_url['port'] ) ) {
			$url .= ':' . $parsed_url['port'];
		}

		if ( ! empty( $parsed_url['path'] ) ) {
			$url .= $parsed_url['path'];
		}

		if ( ! empty( $parsed_url['query'] ) ) {
			$url .= '?' . $parsed_url['query'];
		}
	}

	return $url;
}

/**
 * Attempts to guess the correct URL for a 404 request based on query vars.
 *
 * @since 2.3.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return string|false The correct URL if one is found. False on failure.
 */
function redirect_guess_404_permalink() {
	global $wpdb;

	/**
	 * Filters whether to attempt to guess a redirect URL for a 404 request.
	 *
	 * Returning a false value from the filter will disable the URL guessing
	 * and return early without performing a redirect.
	 *
	 * @since 5.5.0
	 *
	 * @param bool $do_redirect_guess Whether to attempt to guess a redirect URL
	 *                                for a 404 request. Default true.
	 */
	if ( false === apply_filters( 'do_redirect_guess_404_permalink', true ) ) {
		return false;
	}

	/**
	 * Short-circuits the redirect URL guessing for 404 requests.
	 *
	 * Returning a non-null value from the filter will effectively short-circuit
	 * the URL guessing, returning the passed value instead.
	 *
	 * @since 5.5.0
	 *
	 * @param null|string|false $pre Whether to short-circuit guessing the redirect for a 404.
	 *                               Default null to continue with the URL guessing.
	 */
	$pre = apply_filters( 'pre_redirect_guess_404_permalink', null );
	if ( null !== $pre ) {
		return $pre;
	}

	if ( get_query_var( 'name' ) ) {
		$publicly_viewable_statuses   = array_filter( get_post_stati(), 'is_post_status_viewable' );
		$publicly_viewable_post_types = array_filter( get_post_types( array( 'exclude_from_search' => false ) ), 'is_post_type_viewable' );

		/**
		 * Filters whether to perform a strict guess for a 404 redirect.
		 *
		 * Returning a truthy value from the filter will redirect only exact post_name matches.
		 *
		 * @since 5.5.0
		 *
		 * @param bool $strict_guess Whether to perform a strict guess. Default false (loose guess).
		 */
		$strict_guess = apply_filters( 'strict_redirect_guess_404_permalink', false );

		if ( $strict_guess ) {
			$where = $wpdb->prepare( 'post_name = %s', get_query_var( 'name' ) );
		} else {
			$where = $wpdb->prepare( 'post_name LIKE %s', $wpdb->esc_like( get_query_var( 'name' ) ) . '%' );
		}

		// If any of post_type, year, monthnum, or day are set, use them to refine the query.
		if ( get_query_var( 'post_type' ) ) {
			if ( is_array( get_query_var( 'post_type' ) ) ) {
				$post_types = array_intersect( get_query_var( 'post_type' ), $publicly_viewable_post_types );
				if ( empty( $post_types ) ) {
					return false;
				}
				$where .= " AND post_type IN ('" . join( "', '", esc_sql( get_query_var( 'post_type' ) ) ) . "')";
			} else {
				if ( ! in_array( get_query_var( 'post_type' ), $publicly_viewable_post_types, true ) ) {
					return false;
				}
				$where .= $wpdb->prepare( ' AND post_type = %s', get_query_var( 'post_type' ) );
			}
		} else {
			$where .= " AND post_type IN ('" . implode( "', '", esc_sql( $publicly_viewable_post_types ) ) . "')";
		}

		if ( get_query_var( 'year' ) ) {
			$where .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) );
		}
		if ( get_query_var( 'monthnum' ) ) {
			$where .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) );
		}
		if ( get_query_var( 'day' ) ) {
			$where .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) );
		}

		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$post_id = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE $where AND post_status IN ('" . implode( "', '", esc_sql( $publicly_viewable_statuses ) ) . "')" );

		if ( ! $post_id ) {
			return false;
		}

		if ( get_query_var( 'feed' ) ) {
			return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) );
		} elseif ( get_query_var( 'page' ) > 1 ) {
			return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' );
		} else {
			return get_permalink( $post_id );
		}
	}

	return false;
}

/**
 * Redirects a variety of shorthand URLs to the admin.
 *
 * If a user visits example.com/admin, they'll be redirected to /wp-admin.
 * Visiting /login redirects to /wp-login.php, and so on.
 *
 * @since 3.4.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 */
function wp_redirect_admin_locations() {
	global $wp_rewrite;

	if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) ) {
		return;
	}

	$admins = array(
		home_url( 'wp-admin', 'relative' ),
		home_url( 'dashboard', 'relative' ),
		home_url( 'admin', 'relative' ),
		site_url( 'dashboard', 'relative' ),
		site_url( 'admin', 'relative' ),
	);

	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins, true ) ) {
		wp_redirect( admin_url() );
		exit;
	}

	$logins = array(
		home_url( 'wp-login.php', 'relative' ),
		home_url( 'login.php', 'relative' ),
		home_url( 'login', 'relative' ),
		site_url( 'login', 'relative' ),
	);

	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins, true ) ) {
		wp_redirect( wp_login_url() );
		exit;
	}
}
since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-intablebody
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_TABLE_BODY = 'insertion-mode-in-table-body';

	/**
	 * In row insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-inrow
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_ROW = 'insertion-mode-in-row';

	/**
	 * In cell insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-incell
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_CELL = 'insertion-mode-in-cell';

	/**
	 * In select insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-inselect
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_SELECT = 'insertion-mode-in-select';

	/**
	 * In select in table insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-inselectintable
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_SELECT_IN_TABLE = 'insertion-mode-in-select-in-table';

	/**
	 * In template insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-intemplate
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_TEMPLATE = 'insertion-mode-in-template';

	/**
	 * After body insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-afterbody
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_AFTER_BODY = 'insertion-mode-after-body';

	/**
	 * In frameset insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-inframeset
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_IN_FRAMESET = 'insertion-mode-in-frameset';

	/**
	 * After frameset insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#parsing-main-afterframeset
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_AFTER_FRAMESET = 'insertion-mode-after-frameset';

	/**
	 * After after body insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#the-after-after-body-insertion-mode
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_AFTER_AFTER_BODY = 'insertion-mode-after-after-body';

	/**
	 * After after frameset insertion mode for full HTML parser.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#the-after-after-frameset-insertion-mode
	 * @see WP_HTML_Processor_State::$insertion_mode
	 *
	 * @var string
	 */
	const INSERTION_MODE_AFTER_AFTER_FRAMESET = 'insertion-mode-after-after-frameset';

	/**
	 * The stack of template insertion modes.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/#the-insertion-mode:stack-of-template-insertion-modes
	 *
	 * @var array<string>
	 */
	public $stack_of_template_insertion_modes = array();

	/**
	 * Tracks open elements while scanning HTML.
	 *
	 * This property is initialized in the constructor and never null.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#stack-of-open-elements
	 *
	 * @var WP_HTML_Open_Elements
	 */
	public $stack_of_open_elements;

	/**
	 * Tracks open formatting elements, used to handle mis-nested formatting element tags.
	 *
	 * This property is initialized in the constructor and never null.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#list-of-active-formatting-elements
	 *
	 * @var WP_HTML_Active_Formatting_Elements
	 */
	public $active_formatting_elements;

	/**
	 * Refers to the currently-matched tag, if any.
	 *
	 * @since 6.4.0
	 *
	 * @var WP_HTML_Token|null
	 */
	public $current_token = null;

	/**
	 * Tree construction insertion mode.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#insertion-mode
	 *
	 * @var string
	 */
	public $insertion_mode = self::INSERTION_MODE_INITIAL;

	/**
	 * Context node initializing fragment parser, if created as a fragment parser.
	 *
	 * @since 6.4.0
	 * @deprecated 6.8.0 WP_HTML_Processor tracks the context_node internally.
	 *
	 * @var null
	 */
	public $context_node = null;

	/**
	 * The recognized encoding of the input byte stream.
	 *
	 * > The stream of code points that comprises the input to the tokenization
	 * > stage will be initially seen by the user agent as a stream of bytes
	 * > (typically coming over the network or from the local file system).
	 * > The bytes encode the actual characters according to a particular character
	 * > encoding, which the user agent uses to decode the bytes into characters.
	 *
	 * @since 6.7.0
	 *
	 * @var string|null
	 */
	public $encoding = null;

	/**
	 * The parser's confidence in the input encoding.
	 *
	 * > When the HTML parser is decoding an input byte stream, it uses a character
	 * > encoding and a confidence. The confidence is either tentative, certain, or
	 * > irrelevant. The encoding used, and whether the confidence in that encoding
	 * > is tentative or certain, is used during the parsing to determine whether to
	 * > change the encoding. If no encoding is necessary, e.g. because the parser is
	 * > operating on a Unicode stream and doesn't have to use a character encoding
	 * > at all, then the confidence is irrelevant.
	 *
	 * @since 6.7.0
	 *
	 * @var string
	 */
	public $encoding_confidence = 'tentative';

	/**
	 * HEAD element pointer.
	 *
	 * @since 6.7.0
	 *
	 * @see https://html.spec.whatwg.org/multipage/parsing.html#head-element-pointer
	 *
	 * @var WP_HTML_Token|null
	 */
	public $head_element = null;

	/**
	 * FORM element pointer.
	 *
	 * > points to the last form element that was opened and whose end tag has
	 * > not yet been seen. It is used to make form controls associate with
	 * > forms in the face of dramatically bad markup, for historical reasons.
	 * > It is ignored inside template elements.
	 *
	 * @todo This may be invalidated by a seek operation.
	 *
	 * @see https://html.spec.whatwg.org/#form-element-pointer
	 *
	 * @since 6.7.0
	 *
	 * @var WP_HTML_Token|null
	 */
	public $form_element = null;

	/**
	 * The frameset-ok flag indicates if a `FRAMESET` element is allowed in the current state.
	 *
	 * > The frameset-ok flag is set to "ok" when the parser is created. It is set to "not ok" after certain tokens are seen.
	 *
	 * @since 6.4.0
	 *
	 * @see https://html.spec.whatwg.org/#frameset-ok-flag
	 *
	 * @var bool
	 */
	public $frameset_ok = true;

	/**
	 * Constructor - creates a new and empty state value.
	 *
	 * @since 6.4.0
	 *
	 * @see WP_HTML_Processor
	 */
	public function __construct() {
		$this->stack_of_open_elements     = new WP_HTML_Open_Elements();
		$this->active_formatting_elements = new WP_HTML_Active_Formatting_Elements();
	}
}
<br />
<b>Fatal error</b>:  require(): Failed opening required '/home/kordian1/domains/ldpprint.uk/public_html/wp-includes/class-wp-block-pattern-categories-registry.php' (include_path='.:/opt/alt/php74/usr/share/pear') in <b>/home/kordian1/domains/ldpprint.uk/public_html/wp-settings.php</b> on line <b>353</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /home/kordian1/domains/ldpprint.uk/public_html/wp-includes/l10n.php:857
Stack trace:
#0 /home/kordian1/domains/ldpprint.uk/public_html/wp-includes/l10n.php(960): load_textdomain('default', '/home/kordian1/...', 'en_GB')
#1 /home/kordian1/domains/ldpprint.uk/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/home/kordian1/domains/ldpprint.uk/public_html/wp-includes/l10n.php</b> on line <b>857</b><br />