return false;
}
- $sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $x[0] . $typename);
+ $sec_hash = hash('whirlpool', ($a->user['guid'] ?? '') . ($a->user['prvkey'] ?? '') . session_id() . $x[0] . $typename);
return ($sec_hash == $x[1]);
}