/** * @param $path * @param $scope * @param $scope_id * * @return int Number of affected rows */ public function deleteValue($path, $scope, $scope_id) { $write = $this->_magento->getDatabaseWriteConnection(); return $write->delete($this->_table_name, array('scope = ?' => $scope, 'scope_id = ?' => $scope_id, 'path = ?' => $path)); }