static function _apply_coupon() { if (STInput::post('st_action') == 'apply_coupon') { $_SESSION['st_cart_coupon'] = array(); $code = STInput::post('coupon_code'); if (!$code) { self::$coupon_error = array('status' => 0, 'message' => __('Coupon is not correct', ST_TEXTDOMAIN)); } $status = self::do_apply_coupon($code); if (!$status['status']) { self::$coupon_error = array('status' => 0, 'message' => $status['message']); } } }