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ðŸ“ ..
ðŸ“ ID3
ðŸ“ IXR
ðŸ“ Requests
ðŸ“ SimplePie
ðŸ“ Text
ðŸ“„ admin-bar.php(30.23 KB)
ðŸ“„ atomlib.php(13.11 KB)
ðŸ“„ author-template.php(16.6 KB)
ðŸ“„ background.jpg(357 B)
ðŸ“ blocks
ðŸ“„ blocks.php(18.79 KB)
ðŸ“„ bookmark-template.php(12.2 KB)
ðŸ“„ bookmark.php(14.66 KB)
ðŸ“„ cache.php(21.36 KB)
ðŸ“„ canonical.php(29.75 KB)
ðŸ“„ capabilities.php(33.29 KB)
ðŸ“„ category-template.php(51.4 KB)
ðŸ“„ category.php(12.09 KB)
ðŸ“ certificates
ðŸ“„ class-IXR.php(2.51 KB)
ðŸ“„ class-feed.php(544 B)
ðŸ“„ class-http.php(37.85 KB)
ðŸ“„ class-json.php(42.37 KB)
ðŸ“„ class-oembed.php(410 B)
ðŸ“„ class-phpass.php(7.15 KB)
ðŸ“„ class-phpmailer.php(145.11 KB)
ðŸ“„ class-pop3.php(20.43 KB)
ðŸ“„ class-requests.php(30.6 KB)
ðŸ“„ class-simplepie.php(87.17 KB)
ðŸ“„ class-smtp.php(39.96 KB)
ðŸ“„ class-snoopy.php(36.9 KB)
ðŸ“„ class-walker-category-dropdown.php(2.08 KB)
ðŸ“„ class-walker-category.php(7.69 KB)
ðŸ“„ class-walker-comment.php(13.36 KB)
ðŸ“„ class-walker-nav-menu.php(8.47 KB)
ðŸ“„ class-walker-page-dropdown.php(2.25 KB)
ðŸ“„ class-walker-page.php(6.87 KB)
ðŸ“„ class-wp-admin-bar.php(16.55 KB)
ðŸ“„ class-wp-ajax-response.php(5.11 KB)
ðŸ“„ class-wp-block-parser.php(14.86 KB)
ðŸ“„ class-wp-block-styles-registry.php(4.55 KB)
ðŸ“„ class-wp-block-type-registry.php(4.97 KB)
ðŸ“„ class-wp-block-type.php(4.7 KB)
ðŸ“„ class-wp-comment-query.php(43.47 KB)
ðŸ“„ class-wp-comment.php(8.75 KB)
ðŸ“„ class-wp-customize-control.php(24.47 KB)
ðŸ“„ class-wp-customize-manager.php(198.49 KB)
ðŸ“„ class-wp-customize-nav-menus.php(53.25 KB)
ðŸ“„ class-wp-customize-panel.php(9.37 KB)
ðŸ“„ class-wp-customize-section.php(9.93 KB)
ðŸ“„ class-wp-customize-widgets.php(67.68 KB)
ðŸ“„ class-wp-date-query.php(34.45 KB)
ðŸ“„ class-wp-dependency.php(2.44 KB)
ðŸ“„ class-wp-editor.php(66.62 KB)
ðŸ“„ class-wp-embed.php(14.4 KB)
ðŸ“„ class-wp-error.php(4.81 KB)
ðŸ“„ class-wp-fatal-error-handler.php(7.25 KB)
ðŸ“„ class-wp-feed-cache-transient.php(2.5 KB)
ðŸ“„ class-wp-feed-cache.php(749 B)
ðŸ“„ class-wp-hook.php(13.96 KB)
ðŸ“„ class-wp-http-cookie.php(6.98 KB)
ðŸ“„ class-wp-http-curl.php(13.51 KB)
ðŸ“„ class-wp-http-encoding.php(6.39 KB)
ðŸ“„ class-wp-http-ixr-client-other.php(998 B)
ðŸ“„ class-wp-http-ixr-client.php(3.25 KB)
ðŸ“„ class-wp-http-proxy.php(5.93 KB)
ðŸ“„ class-wp-http-requests-hooks.php(1.9 KB)
ðŸ“„ class-wp-http-requests-response.php(4.24 KB)
ðŸ“„ class-wp-http-response.php(2.88 KB)
ðŸ“„ class-wp-http-streams.php(15.69 KB)
ðŸ“„ class-wp-image-editor-gd.php(13.56 KB)
ðŸ“„ class-wp-image-editor-imagick.php(23.09 KB)
ðŸ“„ class-wp-image-editor.php(13.58 KB)
ðŸ“„ class-wp-list-util.php(6.26 KB)
ðŸ“„ class-wp-locale-switcher.php(4.9 KB)
ðŸ“„ class-wp-locale.php(15.05 KB)
ðŸ“„ class-wp-matchesmapregex.php(1.76 KB)
ðŸ“„ class-wp-meta-query.php(27.19 KB)
ðŸ“„ class-wp-metadata-lazyloader.php(5.26 KB)
ðŸ“„ class-wp-network-edit.php(372 B)
ðŸ“„ class-wp-network-query.php(17.94 KB)
ðŸ“„ class-wp-network.php(13.55 KB)
ðŸ“„ class-wp-oembed-controller.php(5.89 KB)
ðŸ“„ class-wp-oembed.php(29.47 KB)
ðŸ“„ class-wp-paused-extensions-storage.php(4.82 KB)
ðŸ“„ class-wp-post-type.php(19.07 KB)
ðŸ“„ class-wp-post.php(6.29 KB)
ðŸ“„ class-wp-query.php(128.01 KB)
ðŸ“„ class-wp-recovery-mode-cookie-service.php(6.31 KB)
ðŸ“„ class-wp-recovery-mode-email-service.php(9.88 KB)
ðŸ“„ class-wp-recovery-mode-key-service-meta.php(994 B)
ðŸ“„ class-wp-recovery-mode-key-service.php(4.18 KB)
ðŸ“„ class-wp-recovery-mode-link-service.php(3.29 KB)
ðŸ“„ class-wp-recovery-mode.php(11.09 KB)
ðŸ“„ class-wp-rewrite.php(58.49 KB)
ðŸ“„ class-wp-role.php(2.6 KB)
ðŸ“„ class-wp-roles.php(8.11 KB)
ðŸ“„ class-wp-session-tokens.php(7.26 KB)
ðŸ“„ class-wp-simplepie-file.php(2.27 KB)
ðŸ“„ class-wp-simplepie-sanitize-kses.php(1.73 KB)
ðŸ“„ class-wp-site-query.php(27.86 KB)
ðŸ“„ class-wp-site.php(7.19 KB)
ðŸ“„ class-wp-tax-query.php(18.98 KB)
ðŸ“„ class-wp-taxonomy.php(10.44 KB)
ðŸ“„ class-wp-term-query.php(34.59 KB)
ðŸ“„ class-wp-term.php(5.14 KB)
ðŸ“„ class-wp-text-diff-renderer-inline.php(716 B)
ðŸ“„ class-wp-text-diff-renderer-table.php(16.4 KB)
ðŸ“„ class-wp-theme.php(49.78 KB)
ðŸ“„ class-wp-user-meta-session-tokens.php(2.92 KB)
ðŸ“„ class-wp-user-query.php(30.56 KB)
ðŸ“„ class-wp-user-request.php(1.95 KB)
ðŸ“„ class-wp-user.php(21.26 KB)
ðŸ“„ class-wp-walker.php(12.42 KB)
ðŸ“„ class-wp-widget-factory.php(2.79 KB)
ðŸ“„ class-wp-widget.php(17.42 KB)
ðŸ“„ class-wp-xmlrpc-server.php(205.15 KB)
ðŸ“„ class-wp.php(23.98 KB)
ðŸ“„ class.wp-dependencies.php(11.25 KB)
ðŸ“„ class.wp-scripts.php(17.34 KB)
ðŸ“„ class.wp-styles.php(10.29 KB)
ðŸ“„ comment-template.php(89.49 KB)
ðŸ“„ comment.php(114.49 KB)
ðŸ“„ compat.php(12.68 KB)
ðŸ“„ cron.php(31.78 KB)
ðŸ“ css
ðŸ“ customize
ðŸ“„ date.php(409 B)
ðŸ“„ default-constants.php(9.88 KB)
ðŸ“„ default-filters.php(25.29 KB)
ðŸ“„ default-widgets.php(2.13 KB)
ðŸ“„ deprecated.php(111.96 KB)
ðŸ“„ embed-template.php(344 B)
ðŸ“„ embed.php(46.26 KB)
ðŸ“„ error-protection.php(3.31 KB)
ðŸ“„ error_log(81.38 KB)
ðŸ“„ feed-atom-comments.php(5.28 KB)
ðŸ“„ feed-atom.php(3.01 KB)
ðŸ“„ feed-rdf.php(2.6 KB)
ðŸ“„ feed-rss.php(1.16 KB)
ðŸ“„ feed-rss2-comments.php(4.05 KB)
ðŸ“„ feed-rss2.php(3.69 KB)
ðŸ“„ feed.php(21.51 KB)
ðŸ“ fonts
ðŸ“„ formatting.php(291.43 KB)
ðŸ“„ functions.php(222.81 KB)
ðŸ“„ functions.wp-scripts.php(12.52 KB)
ðŸ“„ functions.wp-styles.php(8.03 KB)
ðŸ“„ general-template.php(149.05 KB)
ðŸ“„ http.php(23.53 KB)
ðŸ“ images
ðŸ“ js
ðŸ“„ kses.php(59.19 KB)
ðŸ“„ l10n.php(53.55 KB)
ðŸ“„ link-template.php(140.16 KB)
ðŸ“„ load.php(43.9 KB)
ðŸ“„ locale.php(162 B)
ðŸ“„ media-cron.php(349 B)
ðŸ“„ media-template.php(57.9 KB)
ðŸ“„ media.php(146.21 KB)
ðŸ“„ meta.php(46.69 KB)
ðŸ“„ ms-blogs.php(23.84 KB)
ðŸ“„ ms-default-constants.php(4.67 KB)
ðŸ“„ ms-default-filters.php(6.26 KB)
ðŸ“„ ms-deprecated.php(20.84 KB)
ðŸ“„ ms-files.php(2.59 KB)
ðŸ“„ ms-functions.php(85.58 KB)
ðŸ“„ ms-load.php(19.16 KB)
ðŸ“„ ms-network.php(3.57 KB)
ðŸ“„ ms-settings.php(4.04 KB)
ðŸ“„ ms-site.php(42.06 KB)
ðŸ“„ nav-menu-template.php(21.54 KB)
ðŸ“„ nav-menu.php(40.33 KB)
ðŸ“„ option.php(68.5 KB)
ðŸ“„ pluggable-deprecated.php(6.12 KB)
ðŸ“„ pluggable.php(98.36 KB)
ðŸ“„ plugin.php(31.65 KB)
ðŸ“ pomo
ðŸ“„ post-formats.php(6.89 KB)
ðŸ“„ post-template.php(61.44 KB)
ðŸ“„ post-thumbnail-template.php(8.78 KB)
ðŸ“„ post.php(238.88 KB)
ðŸ“„ query.php(33.72 KB)
ðŸ“ random_compat
ðŸ“„ registration-functions.php(202 B)
ðŸ“„ registration.php(202 B)
ðŸ“ rest-api
ðŸ“„ rest-api.php(45.54 KB)
ðŸ“„ revision.php(21.18 KB)
ðŸ“„ rewrite.php(19.91 KB)
ðŸ“„ rss-functions.php(214 B)
ðŸ“„ rss.php(22.66 KB)
ðŸ“„ script-loader.php(110.89 KB)
ðŸ“„ session.php(264 B)
ðŸ“„ shortcodes.php(21.2 KB)
ðŸ“ sodium_compat
ðŸ“„ spl-autoload-compat.php(443 B)
ðŸ“„ taxonomy.php(154.26 KB)
ðŸ“„ template-loader.php(2.98 KB)
ðŸ“„ template.php(20.55 KB)
ðŸ“ theme-compat
ðŸ“„ theme.php(102.42 KB)
ðŸ“„ update.php(24.97 KB)
ðŸ“„ user-wp.php(363 B)
ðŸ“„ user.php(121 KB)
ðŸ“„ vars.php(5.68 KB)
ðŸ“„ version.php(762 B)
ðŸ“ widgets
ðŸ“„ widgets.php(57.37 KB)
ðŸ“„ wlwmanifest.xml(1.02 KB)
ðŸ“„ wp-db.php(101.4 KB)
ðŸ“„ wp-diff.php(662 B)

Editing: class-wp-walker.php

<?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
 */
class Walker {
	/**
	 * What the class handles.
	 *
	 * @since 2.1.0
	 * @var string
	 */
	public $tree_type;

/**
	 * DB fields to use.
	 *
	 * @since 2.1.0
	 * @var array
	 */
	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() ) {}

/**
	 * Start the element output.
	 *
	 * The $args parameter holds additional values that may be used with the child
	 * class methods. Includes the element output also.
	 *
	 * @since 2.1.0
	 * @abstract
	 *
	 * @param string $output            Used to append additional content (passed by reference).
	 * @param object $object            The data object.
	 * @param int    $depth             Depth of the item.
	 * @param array  $args              An array of additional arguments.
	 * @param int    $current_object_id ID of the current item.
	 */
	public function start_el( &$output, $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
	 * @abstract
	 *
	 * @param string $output Used to append additional content (passed by reference).
	 * @param object $object The data object.
	 * @param int    $depth  Depth of the item.
	 * @param array  $args   An array of additional arguments.
	 */
	public function end_el( &$output, $object, $depth = 0, $args = array() ) {}

/**
	 * Traverse 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;
		}

$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 childrens for this element
		if ( ( $max_depth == 0 || $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 ) );
	}

/**
	 * Display 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 = '';

//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, eg.
		 * 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 ( ( $max_depth == 0 ) && 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;
	}

/**
	 * paged_walk() - produce 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
	 * @param int   $max_depth The maximum hierarchical depth.
	 * @param int   $page_num  The specific page number, beginning with 1.
	 * @param int   $per_page
	 * @param mixed ...$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 ) {
		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 = 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 ( 0 == $e->$parent_field ) {
				$top_level_elements[] = $e;
			} else {
				$children_elements[ $e->$parent_field ][] = $e;
			}
		}

$total_top = count( $top_level_elements );
		if ( $paging ) {
			$this->max_pages = 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 ( 0 == $e->$parent_field ) {
				$num++;
			}
		}
		return $num;
	}

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

$id_field = $this->db_fields['id'];
		$id       = $e->$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 ] );
	}

} // Walker

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