/**
  * Get unique instance for this object
  *
  * @return HB_Checkout
  */
 static function instance()
 {
     if (empty(self::$_instance)) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }
Exemplo n.º 2
0
 function checkout()
 {
     return LP_Checkout::instance();
 }