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_wp_sort_menu_items_by_parent_id › WordPress Function

Since5.9.0
Deprecatedn/a
_wp_sort_menu_items_by_parent_id ( $menu_items )
Access:
  • private
Parameters:
  • (array) $menu_items Menu items to sort.
    Required: Yes
Returns:
  • (array) An array keyed by the id of the parent menu where each element is an array of menu items that belong to that parent.
Defined at:
Codex:

Sorts a standard array of menu items into a nested structure keyed by the id of the parent menu.



Source

function _wp_sort_menu_items_by_parent_id( $menu_items ) {
	$sorted_menu_items = array();
	foreach ( $menu_items as $menu_item ) {
		$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
	}
	unset( $menu_items, $menu_item );

	$menu_items_by_parent_id = array();
	foreach ( $sorted_menu_items as $menu_item ) {
		$menu_items_by_parent_id[ $menu_item->menu_item_parent ][] = $menu_item;
	}

	return $menu_items_by_parent_id;
}