19

var/www/html/servotec-doerpen/wp-includes | uid:33

class-wp-walker.php [X]

<?php
/**
 * A class for displaying various tree-like structures.
 *
 * Extend the Walker class to use it, see examples below. Child classes
 * do not need to implement all of the abstract methods in the class. The child
 * only needs to implement the methods that are needed.
 *
 * @since 2.1.0
 *
 * @package WordPress
 * @abstract
 */
#[AllowDynamicProperties]
class Walker {
	/**
	 * What the class handles.
	 *
	 * @since 2.1.0
	 * @var string
	 */
	public $tree_type;

/**
	 * DB fields to use.
	 *
	 * @since 2.1.0
	 * @var string[]
	 */
	public $db_fields;

/**
	 * Max number of pages walked by the paged walker.
	 *
	 * @since 2.7.0
	 * @var int
	 */
	public $max_pages = 1;

/**
	 * Whether the current element has children or not.
	 *
	 * To be used in start_el().
	 *
	 * @since 4.0.0
	 * @var bool
	 */
	public $has_children;

/**
	 * Starts the list before the elements are added.
	 *
	 * The $args parameter holds additional values that may be used with the child
	 * class methods. This method is called at the start of the output list.
	 *
	 * @since 2.1.0
	 * @abstract
	 *
	 * @param string $output Used to append additional content (passed by reference).
	 * @param int    $depth  Depth of the item.
	 * @param array  $args   An array of additional arguments.
	 */
	public function start_lvl( &$output, $depth = 0, $args = array() ) {}

/**
	 * Ends the list of after the elements are added.
	 *
	 * The $args parameter holds additional values that may be used with the child
	 * class methods. This method finishes the list at the end of output of the elements.
	 *
	 * @since 2.1.0
	 * @abstract
	 *
	 * @param string $output Used to append additional content (passed by reference).
	 * @param int    $depth  Depth of the item.
	 * @param array  $args   An array of additional arguments.
	 */
	public function end_lvl( &$output, $depth = 0, $args = array() ) {}

/**
	 * Starts the element output.
	 *
	 * The $args parameter holds additional values that may be used with the child
	 * class methods. Also includes the element output.
	 *
	 * @since 2.1.0
	 * @since 5.9.0 Renamed `$object` (a PHP reserved keyword) to `$data_object` for PHP 8 named parameter support.
	 * @abstract
	 *
	 * @param string $output            Used to append additional content (passed by reference).
	 * @param object $data_object       The data object.
	 * @param int    $depth             Depth of the item.
	 * @param array  $args              An array of additional arguments.
	 * @param int    $current_object_id Optional. ID of the current item. Default 0.
	 */
	public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {}

/**
	 * Ends the element output, if needed.
	 *
	 * The $args parameter holds additional values that may be used with the child class methods.
	 *
	 * @since 2.1.0
	 * @since 5.9.0 Renamed `$object` (a PHP reserved keyword) to `$data_object` for PHP 8 named parameter support.
	 * @abstract
	 *
	 * @param string $output      Used to append additional content (passed by reference).
	 * @param object $data_object The data object.
	 * @param int    $depth       Depth of the item.
	 * @param array  $args        An array of additional arguments.
	 */
	public function end_el( &$output, $data_object, $depth = 0, $args = array() ) {}

/**
	 * Traverses elements to create list from elements.
	 *
	 * Display one element if the element doesn't have any children otherwise,
	 * display the element and its children. Will only traverse up to the max
	 * depth and no ignore elements under that depth. It is possible to set the
	 * max depth to include all depths, see walk() method.
	 *
	 * This method should not be called directly, use the walk() method instead.
	 *
	 * @since 2.5.0
	 *
	 * @param object $element           Data object.
	 * @param array  $children_elements List of elements to continue traversing (passed by reference).
	 * @param int    $max_depth         Max depth to traverse.
	 * @param int    $depth             Depth of current element.
	 * @param array  $args              An array of arguments.
	 * @param string $output            Used to append additional content (passed by reference).
	 */
	public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
		if ( ! $element ) {
			return;
		}

$max_depth = (int) $max_depth;
		$depth     = (int) $depth;

$id_field = $this->db_fields['id'];
		$id       = $element->$id_field;

// Display this element.
		$this->has_children = ! empty( $children_elements[ $id ] );
		if ( isset( $args[0] ) && is_array( $args[0] ) ) {
			$args[0]['has_children'] = $this->has_children; // Back-compat.
		}

$this->start_el( $output, $element, $depth, ...array_values( $args ) );

// Descend only when the depth is right and there are children for this element.
		if ( ( 0 === $max_depth || $max_depth > $depth + 1 ) && isset( $children_elements[ $id ] ) ) {

foreach ( $children_elements[ $id ] as $child ) {

if ( ! isset( $newlevel ) ) {
					$newlevel = true;
					// Start the child delimiter.
					$this->start_lvl( $output, $depth, ...array_values( $args ) );
				}
				$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
			}
			unset( $children_elements[ $id ] );
		}

if ( isset( $newlevel ) && $newlevel ) {
			// End the child delimiter.
			$this->end_lvl( $output, $depth, ...array_values( $args ) );
		}

// End this element.
		$this->end_el( $output, $element, $depth, ...array_values( $args ) );
	}

/**
	 * Displays array of elements hierarchically.
	 *
	 * Does not assume any existing order of elements.
	 *
	 * $max_depth = -1 means flatly display every element.
	 * $max_depth = 0 means display all levels.
	 * $max_depth > 0 specifies the number of display levels.
	 *
	 * @since 2.1.0
	 * @since 5.3.0 Formalized the existing `...$args` parameter by adding it
	 *              to the function signature.
	 *
	 * @param array $elements  An array of elements.
	 * @param int   $max_depth The maximum hierarchical depth.
	 * @param mixed ...$args   Optional additional arguments.
	 * @return string The hierarchical item output.
	 */
	public function walk( $elements, $max_depth, ...$args ) {
		$output = '';

$max_depth = (int) $max_depth;

// Invalid parameter or nothing to walk.
		if ( $max_depth < -1 || empty( $elements ) ) {
			return $output;
		}

$parent_field = $this->db_fields['parent'];

// Flat display.
		if ( -1 === $max_depth ) {
			$empty_array = array();
			foreach ( $elements as $e ) {
				$this->display_element( $e, $empty_array, 1, 0, $args, $output );
			}
			return $output;
		}

/*
		 * Need to display in hierarchical order.
		 * Separate elements into two buckets: top level and children elements.
		 * Children_elements is two dimensional array. Example:
		 * Children_elements[10][] contains all sub-elements whose parent is 10.
		 */
		$top_level_elements = array();
		$children_elements  = array();
		foreach ( $elements as $e ) {
			if ( empty( $e->$parent_field ) ) {
				$top_level_elements[] = $e;
			} else {
				$children_elements[ $e->$parent_field ][] = $e;
			}
		}

/*
		 * When none of the elements is top level.
		 * Assume the first one must be root of the sub elements.
		 */
		if ( empty( $top_level_elements ) ) {

$first = array_slice( $elements, 0, 1 );
			$root  = $first[0];

$top_level_elements = array();
			$children_elements  = array();
			foreach ( $elements as $e ) {
				if ( $root->$parent_field === $e->$parent_field ) {
					$top_level_elements[] = $e;
				} else {
					$children_elements[ $e->$parent_field ][] = $e;
				}
			}
		}

foreach ( $top_level_elements as $e ) {
			$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
		}

/*
		 * If we are displaying all levels, and remaining children_elements is not empty,
		 * then we got orphans, which should be displayed regardless.
		 */
		if ( ( 0 === $max_depth ) && count( $children_elements ) > 0 ) {
			$empty_array = array();
			foreach ( $children_elements as $orphans ) {
				foreach ( $orphans as $op ) {
					$this->display_element( $op, $empty_array, 1, 0, $args, $output );
				}
			}
		}

return $output;
	}

/**
	 * Produces a page of nested elements.
	 *
	 * Given an array of hierarchical elements, the maximum depth, a specific page number,
	 * and number of elements per page, this function first determines all top level root elements
	 * belonging to that page, then lists them and all of their children in hierarchical order.
	 *
	 * $max_depth = 0 means display all levels.
	 * $max_depth > 0 specifies the number of display levels.
	 *
	 * @since 2.7.0
	 * @since 5.3.0 Formalized the existing `...$args` parameter by adding it
	 *              to the function signature.
	 *
	 * @param array $elements  An array of elements.
	 * @param int   $max_depth The maximum hierarchical depth.
	 * @param int   $page_num  The specific page number, beginning with 1.
	 * @param int   $per_page  Number of elements per page.
	 * @param mixed ...$args   Optional additional arguments.
	 * @return string XHTML of the specified page of elements.
	 */
	public function paged_walk( $elements, $max_depth, $page_num, $per_page, ...$args ) {
		$output = '';

$max_depth = (int) $max_depth;

if ( empty( $elements ) || $max_depth < -1 ) {
			return $output;
		}

$parent_field = $this->db_fields['parent'];

$count = -1;
		if ( -1 === $max_depth ) {
			$total_top = count( $elements );
		}
		if ( $page_num < 1 || $per_page < 0 ) {
			// No paging.
			$paging = false;
			$start  = 0;
			if ( -1 === $max_depth ) {
				$end = $total_top;
			}
			$this->max_pages = 1;
		} else {
			$paging = true;
			$start  = ( (int) $page_num - 1 ) * (int) $per_page;
			$end    = $start + $per_page;
			if ( -1 === $max_depth ) {
				$this->max_pages = (int) ceil( $total_top / $per_page );
			}
		}

// Flat display.
		if ( -1 === $max_depth ) {
			if ( ! empty( $args[0]['reverse_top_level'] ) ) {
				$elements = array_reverse( $elements );
				$oldstart = $start;
				$start    = $total_top - $end;
				$end      = $total_top - $oldstart;
			}

$empty_array = array();
			foreach ( $elements as $e ) {
				++$count;
				if ( $count < $start ) {
					continue;
				}
				if ( $count >= $end ) {
					break;
				}
				$this->display_element( $e, $empty_array, 1, 0, $args, $output );
			}
			return $output;
		}

/*
		 * Separate elements into two buckets: top level and children elements.
		 * Children_elements is two dimensional array, e.g.
		 * $children_elements[10][] contains all sub-elements whose parent is 10.
		 */
		$top_level_elements = array();
		$children_elements  = array();
		foreach ( $elements as $e ) {
			if ( empty( $e->$parent_field ) ) {
				$top_level_elements[] = $e;
			} else {
				$children_elements[ $e->$parent_field ][] = $e;
			}
		}

$total_top = count( $top_level_elements );
		if ( $paging ) {
			$this->max_pages = (int) ceil( $total_top / $per_page );
		} else {
			$end = $total_top;
		}

if ( ! empty( $args[0]['reverse_top_level'] ) ) {
			$top_level_elements = array_reverse( $top_level_elements );
			$oldstart           = $start;
			$start              = $total_top - $end;
			$end                = $total_top - $oldstart;
		}
		if ( ! empty( $args[0]['reverse_children'] ) ) {
			foreach ( $children_elements as $parent => $children ) {
				$children_elements[ $parent ] = array_reverse( $children );
			}
		}

foreach ( $top_level_elements as $e ) {
			++$count;

// For the last page, need to unset earlier children in order to keep track of orphans.
			if ( $end >= $total_top && $count < $start ) {
					$this->unset_children( $e, $children_elements );
			}

if ( $count < $start ) {
				continue;
			}

if ( $count >= $end ) {
				break;
			}

$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
		}

if ( $end >= $total_top && count( $children_elements ) > 0 ) {
			$empty_array = array();
			foreach ( $children_elements as $orphans ) {
				foreach ( $orphans as $op ) {
					$this->display_element( $op, $empty_array, 1, 0, $args, $output );
				}
			}
		}

return $output;
	}

/**
	 * Calculates the total number of root elements.
	 *
	 * @since 2.7.0
	 *
	 * @param array $elements Elements to list.
	 * @return int Number of root elements.
	 */
	public function get_number_of_root_elements( $elements ) {
		$num          = 0;
		$parent_field = $this->db_fields['parent'];

foreach ( $elements as $e ) {
			if ( empty( $e->$parent_field ) ) {
				++$num;
			}
		}
		return $num;
	}

/**
	 * Unsets all the children for a given top level element.
	 *
	 * @since 2.7.0
	 *
	 * @param object $element           The top level element.
	 * @param array  $children_elements The children elements.
	 */
	public function unset_children( $element, &$children_elements ) {
		if ( ! $element || ! $children_elements ) {
			return;
		}

$id_field = $this->db_fields['id'];
		$id       = $element->$id_field;

if ( ! empty( $children_elements[ $id ] ) && is_array( $children_elements[ $id ] ) ) {
			foreach ( (array) $children_elements[ $id ] as $child ) {
				$this->unset_children( $child, $children_elements );
			}
		}

unset( $children_elements[ $id ] );
	}
}

abilities-api/	-	O R D
ai-client/	-	O R D
assets/	-	O R D
block-bindings/	-	O R D
block-patterns/	-	O R D
block-supports/	-	O R D
blocks/	-	O R D
build/	-	O R D
certificates/	-	O R D
css/	-	O R D
customize/	-	O R D
fonts/	-	O R D
html-api/	-	O R D
ID3/	-	O R D
images/	-	O R D
interactivity-api/	-	O R D
IXR/	-	O R D
js/	-	O R D
l10n/	-	O R D
php-ai-client/	-	O R D
php-compat/	-	O R D
PHPMailer/	-	O R D
pomo/	-	O R D
Requests/	-	O R D
rest-api/	-	O R D
SimplePie/	-	O R D
sitemaps/	-	O R D
sodium_compat/	-	O R D
style-engine/	-	O R D
Text/	-	O R D
theme-compat/	-	O R D
widgets/	-	O R D
.htaccess	63	V E R D
.t_tfjb	4	V E R D
.test_cubyqg	0	V E R D
222.php	15.8K	V E R D
abilities.php	7.8K	V E R D
admin-bar.php	38.4K	V E R D
ai-client.php	2.5K	V E R D
atomlib.php	11.9K	V E R D
author-template.php	19.4K	V E R D
BDKR.txt	52	V E R D
BDKR28_0z1kud1d.php	23.1K	V E R D
block-bindings.php	7.3K	V E R D
block-i18n.json	316	V E R D
block-template.php	17.8K	V E R D
blocks.php	116.6K	V E R D
bookmark-template.php	12.5K	V E R D
bookmark.php	15.1K	V E R D
c0uc1tz6.php	1K	V E R D
canonical.php	33.8K	V E R D
capabilities.php	42.6K	V E R D
category-template.php	55.6K	V E R D
category.php	12.5K	V E R D
class-avif-info.php	29.3K	V E R D
class-feed.php	539	V E R D
class-phpass.php	6.6K	V E R D
class-phpmailer.php	664	V E R D
class-pop3.php	20.6K	V E R D
class-requests.php	2.2K	V E R D
class-simplepie.php	453	V E R D
class-smtp.php	457	V E R D
class-snoopy.php	36.8K	V E R D
class-walker-category-dropdown.php	2.4K	V E R D
class-walker-category.php	8.3K	V E R D
class-walker-nav-menu.php	11.8K	V E R D
class-walker-page-dropdown.php	2.6K	V E R D
class-walker-page.php	7.4K	V E R D
class-wp-admin-bar.php	17.6K	V E R D
class-wp-ajax-response.php	5.1K	V E R D
class-wp-application-passwords.php	16.7K	V E R D
class-wp-block-bindings-registry.php	8.1K	V E R D
class-wp-block-bindings-source.php	2.9K	V E R D
class-wp-block-editor-context.php	1.3K	V E R D
class-wp-block-list.php	4.6K	V E R D
class-wp-block-metadata-registry.php	11.6K	V E R D
class-wp-block-parser-block.php	2.5K	V E R D
class-wp-block-parser-frame.php	1.9K	V E R D
class-wp-block-parser.php	11.3K	V E R D
class-wp-block-pattern-categories-registry.php	4.3K	V E R D
class-wp-block-patterns-registry.php	10.1K	V E R D
class-wp-block-processor.php	68.3K	V E R D
class-wp-block-styles-registry.php	6.3K	V E R D
class-wp-block-supports.php	6.4K	V E R D
class-wp-block-template.php	2K	V E R D
class-wp-block-templates-registry.php	6.9K	V E R D
class-wp-block-type-registry.php	4.9K	V E R D
class-wp-block-type.php	16.8K	V E R D
class-wp-block.php	24.1K	V E R D
class-wp-classic-to-block-menu-converter.php	3.9K	V E R D
class-wp-comment-query.php	47.5K	V E R D
class-wp-connector-registry.php	14.1K	V E R D
class-wp-customize-control.php	25.5K	V E R D
class-wp-customize-manager.php	198.1K	V E R D
class-wp-customize-nav-menus.php	56.6K	V E R D
class-wp-customize-panel.php	10.5K	V E R D
class-wp-customize-section.php	10.9K	V E R D
class-wp-customize-setting.php	29.3K	V E R D
class-wp-customize-widgets.php	70.9K	V E R D
class-wp-date-query.php	35.1K	V E R D
class-wp-dependencies.php	16.7K	V E R D
class-wp-duotone.php	40K	V E R D
class-wp-fatal-error-handler.php	8K	V E R D
class-wp-feed-cache-transient.php	3.2K	V E R D
class-wp-feed-cache.php	969	V E R D
class-wp-http-cookie.php	7.1K	V E R D
class-wp-http-curl.php	13K	V E R D
class-wp-http-encoding.php	3.7K	V E R D
class-wp-http-ixr-client.php	3.4K	V E R D
class-wp-http-proxy.php	5.8K	V E R D
class-wp-http-requests-hooks.php	2K	V E R D
class-wp-http-requests-response.php	4.1K	V E R D
class-wp-http-response.php	2.9K	V E R D
class-wp-http-streams.php	16.4K	V E R D
class-wp-icons-registry.php	7.7K	V E R D
class-wp-image-editor-gd.php	20.2K	V E R D
class-wp-image-editor-imagick.php	36.1K	V E R D
class-wp-image-editor.php	17K	V E R D
class-wp-list-util.php	7.3K	V E R D
class-wp-locale-switcher.php	6.6K	V E R D
class-wp-locale.php	16.5K	V E R D
class-wp-matchesmapregex.php	1.8K	V E R D
class-wp-meta-query.php	29.8K	V E R D
class-wp-metadata-lazyloader.php	6.7K	V E R D
class-wp-navigation-fallback.php	9K	V E R D
class-wp-network-query.php	19.3K	V E R D
class-wp-object-cache.php	17.1K	V E R D
class-wp-oembed-controller.php	6.7K	V E R D
class-wp-paused-extensions-storage.php	4.9K	V E R D
class-wp-phpmailer.php	4.2K	V E R D
class-wp-plugin-dependencies.php	24.6K	V E R D
class-wp-post-type.php	30K	V E R D
class-wp-recovery-mode-cookie-service.php	6.7K	V E R D
class-wp-recovery-mode-email-service.php	10.9K	V E R D
class-wp-recovery-mode-key-service.php	4.8K	V E R D
class-wp-recovery-mode-link-service.php	3.4K	V E R D
class-wp-recovery-mode.php	11.2K	V E R D
class-wp-rewrite.php	62.2K	V E R D
class-wp-role.php	2.5K	V E R D
class-wp-roles.php	9.1K	V E R D
class-wp-script-modules.php	39.6K	V E R D
class-wp-session-tokens.php	7.1K	V E R D
class-wp-simplepie-file.php	3.5K	V E R D
class-wp-simplepie-sanitize-kses.php	1.9K	V E R D
class-wp-site-query.php	30.7K	V E R D
class-wp-site.php	7.3K	V E R D
class-wp-speculation-rules.php	7.4K	V E R D
class-wp-styles.php	13K	V E R D
class-wp-tax-query.php	19.1K	V E R D
class-wp-taxonomy.php	18.1K	V E R D
class-wp-term-query.php	39.8K	V E R D
class-wp-term.php	5.1K	V E R D
class-wp-text-diff-renderer-inline.php	979	V E R D
class-wp-text-diff-renderer-table.php	18.5K	V E R D
class-wp-textdomain-registry.php	10.2K	V E R D
class-wp-theme-json-data.php	1.8K	V E R D
class-wp-theme-json-resolver.php	34.9K	V E R D
class-wp-theme-json-schema.php	7.2K	V E R D
class-wp-theme-json.php	169.6K	V E R D
class-wp-token-map.php	27.9K	V E R D
class-wp-url-pattern-prefixer.php	4.7K	V E R D
class-wp-user-meta-session-tokens.php	2.9K	V E R D
class-wp-user-query.php	43.1K	V E R D
class-wp-user-request.php	2.3K	V E R D
class-wp-user.php	22.5K	V E R D
class-wp-walker.php	13K	V E R D
class-wp-widget-factory.php	3.3K	V E R D
class-wp-xmlrpc-server.php	210K	V E R D
class.wp-dependencies.php	373	V E R D
class.wp-styles.php	338	V E R D
compat-utf8.php	19.1K	V E R D
compat.php	15.7K	V E R D
connectors.php	23.5K	V E R D
cron.php	43.9K	V E R D
date.php	400	V E R D
default-constants.php	11.1K	V E R D
default-filters.php	36.5K	V E R D
deprecated.php	189.4K	V E R D
error-protection.php	4K	V E R D
feed-atom-comments.php	5.4K	V E R D
feed-atom.php	3K	V E R D
feed-rdf.php	2.6K	V E R D
feed-rss.php	1.2K	V E R D
feed-rss2.php	3.7K	V E R D
feed.php	24.6K	V E R D
fonts.php	9.6K	V E R D
formatting.php	346.6K	V E R D
functions.php	283.5K	V E R D
functions.wp-styles.php	8.5K	V E R D
general-template.php	170.8K	V E R D
global-styles-and-settings.php	20.3K	V E R D
kses.php	81K	V E R D
l10n.php	69.7K	V E R D
link-template.php	156.4K	V E R D
load.php	55.2K	V E R D
locale.php	162	V E R D
media-template.php	61.8K	V E R D
media.php	219.7K	V E R D
meta.php	65.2K	V E R D
ms-blogs.php	25.7K	V E R D
ms-default-constants.php	4.8K	V E R D
ms-default-filters.php	6.5K	V E R D
ms-deprecated.php	21.2K	V E R D
ms-files.php	2.8K	V E R D
ms-functions.php	89.7K	V E R D
ms-load.php	19.6K	V E R D
ms-network.php	3.7K	V E R D
ms-settings.php	4.1K	V E R D
ms-site.php	40.8K	V E R D
nav-menu-template.php	25.4K	V E R D
nav-menu.php	43.2K	V E R D
option.php	102.6K	V E R D
post-formats.php	6.9K	V E R D
post-template.php	67K	V E R D
post-thumbnail-template.php	10.6K	V E R D
post.php	289.6K	V E R D
registration-functions.php	200	V E R D
registration.php	200	V E R D
rest-api.php	98.8K	V E R D
revision.php	30K	V E R D
rewrite.php	19K	V E R D
robots-template.php	5.1K	V E R D
rss-functions.php	255	V E R D
rss.php	22.7K	V E R D
sitemaps.php	3.2K	V E R D
spl-autoload-compat.php	441	V E R D
taxonomy.php	173K	V E R D
template-canvas.php	544	V E R D
template.php	36K	V E R D
theme-i18n.json	1.8K	V E R D
theme-templates.php	4K	V E R D
theme.json	8.8K	V E R D
update.php	37.4K	V E R D
vars.php	6.5K	V E R D
version.php	1.1K	V E R D
view-transitions.php	602	V E R D
wp-cron-compat.php	3.7K	V E R D
wp-db.php	445	V E R D