public static function remove($key) {
        static::init();
        if (isset($_SESSION[self::$prepend . $key]))
            unset($_SESSION[self::$prepend . $key]);
    }
public static function remove($key) {
        static::init();
        if (isset($_SESSION[self::$prepend . $key]))
            unset($_SESSION[self::$prepend . $key]);
    }
public static function remove ( $ key ) { static :: init ( ) ; if ( isset ( $ _SESSION [ self :: $ prepend . $ key ] ) ) unset ( $ _SESSION [ self :: $ prepend . $ key ] ) ; }
Removes from session
@param string $key
Removes from session