PHP CoreDB::instance Examples

Example #1

File: DB.php Project: scorp7mix/ppp

 public static function getInstance()
 {
     if (empty(self::$instance)) {
         self::$instance = new self();
     }
     return self::$instance;
 }

Example #2

File: DB.class.php Project: hanfengtianyasmile/hfphp2.0

 public static function getInstance()
 {
     //判断self::$instance 是否已经被实例化
     if (!self::$instance instanceof self) {
         self::$instance = new self();
     }
     return self::$instance;
 }

Example #3

File: Db.php Project: romanovvv1987/mvc

 public final function __destruct()
 {
     self::$instance = null;
 }