/**
  * Get instance of this class.
  * 
  * @access public
  * @static
  * @return $_instance
  */
 public static function get_instance()
 {
     if (self::$_instance == null) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }
Exemplo n.º 2
0
function gf_hipchat()
{
    return GFHipChat::get_instance();
}