PHP DatabaseHelper::__singleton示例

示例#1

文件： database.php 项目： doubotis/PHP-Blog

 public static function getInstance()
 {
     if (self::$__singleton == null) {
         $dsn = "mysql:host=" . DB_HOST . ";dbname=" . DB_AUTH_DBNAME . "";
         self::$__singleton = new PDO($dsn, DB_AUTH_USERNAME, DB_AUTH_PASSWORD);
     }
     return self::$__singleton;
 }