public static function getInstance()
 {
     if (null === self::$instance) {
         self::$instance = new self();
     }
     return self::$instance;
 }
Example #2
0
 public function singleton()
 {
     if (!isset(self::$instance)) {
         $c = __CLASS__;
         self::$instance = new $c();
     }
     return self::$instance;
 }