[php4>OOP] oggetto con id unico

[whisher]

class GGManager 
{
    static $GGs = Array();
    static function getGG($id) 
    {
        foreach(self::$GGs as $key => $GG) 
            {
            if(self::$GGs[$key]->id == $id) 
            {
                return $gg;
            }
        }

        $gg = new GG($id);
        self::$GGs[] = $gg;
        return $gg; 
    }
}