Example #1
0
 /**
  * There should only be one copy of document running at page load.
  *
  * @since	1.0
  * @access	public
  */
 public static function getInstance()
 {
     if (is_null(self::$instance)) {
         self::$instance = new self();
     }
     return self::$instance;
 }
Example #2
0
 /**
  * There should only be one copy of document running at page load.
  *
  * @since	1.0
  * @access	public
  */
 public static function getInstance()
 {
     if (self::$instance === null) {
         self::$instance = new self();
     }
     return self::$instance;
 }