Example #1
0
 public static function get_instance()
 {
     if (!self::$_instance instanceof self) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }
Example #2
0
 public static function del_hot_word($id)
 {
     return DAO_AppWords::get_instance()->del_word($id);
 }