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_nav_menu_item_id_use_once › WordPress Function

Since3.0.1
已弃用n/a
_nav_menu_item_id_use_once ( $id, $item )
访问:
  • private
参数: (2)
  • (string) $id
    Required: Yes
  • (object) $item
    Required: Yes
返回:
  • (string)
定义在:
文档:

Prevents a menu item ID from being used more than once.



源码

function _nav_menu_item_id_use_once( $id, $item ) {
	static $_used_ids = array();

	if ( in_array( $item->ID, $_used_ids, true ) ) {
		return '';
	}

	$_used_ids[] = $item->ID;

	return $id;
}