PHP PDOConnection::instance示例

示例#1

文件： PDOConnection.php 项目： indynagpal/MateCat

 public static function obtain($server = null, $user = null, $pass = null, $database = null)
 {
     if (!self::$instance) {
         self::$instance = new PDOConnection($server, $user, $pass, $database);
     }
     return self::$instance;
 }