public function Execute($sql) { $result = ""; // try{ $result = SqlHelper::Instance()->Execute($sql); if ($result[0] == "OK") { $result = '{"result": "' . $result[0] . '","rows":' . $result[1] . '}'; } else { $result = '{"result": "' . $result[0] . '","reason":"' . $result[1] . '"}'; } // } // catch(Exception $e){ // $result = '{"result": "failed","reason":"'.$e->getMessage().'"}'; // } return $result; }