public static function _unset($var) {
        Session::init(true);
        if (!Session::check_checksum()) return false;
        unset($_SESSION[$var]);
        $_SESSION[__SESSION_checksum_var] = Session::make_checksum();
        return true;
    }
public static function _unset($var) {
        Session::init(true);
        if (!Session::check_checksum()) return false;
        unset($_SESSION[$var]);
        $_SESSION[__SESSION_checksum_var] = Session::make_checksum();
        return true;
    }
public static function _unset ( $ var ) { Session :: init ( true ) ; if ( ! Session :: check_checksum ( ) ) return false ; unset ( $ _SESSION [ $ var ] ) ; $ _SESSION [ __SESSION_checksum_var ] = Session :: make_checksum ( ) ; return true ; }
Odstrani session premennu

@param unknown_type $var
@return unknown
Odstrani session premennu