Anonymous

  1 <?php  2     class testHelper {  3         var $instance = null;  4  5         private function __construct() {  6         }  7  8         function getInstance() {  9             if (!$this->instance) { 10                 $this->instance = new testHelper(); 11             } 12 13             return $this->instance; 14         } 15 16         function nabCounters() { 17             return RobDB::getInstance()->queryCol('SELECT CID FROM Counter'); 18         } 19     } 20 ?>