PHP db_connect::_instance示例

示例#1

文件： db_connect.php 项目： CSUN-Comp490/TeamUp

 public static function getInstance()
 {
     if (!self::$_instance) {
         self::$_instance = new db_connect();
     }
     return self::$_instance;
 }

示例#2

文件： db_connect.php 项目： TheMaximumDrive/witestify-server

 public static function getInstance()
 {
     if (!self::$_instance) {
         // If no instance then make one
         self::$_instance = new self();
     }
     return self::$_instance;
 }