var_dump($t->connection === $c);
var_dump(isset($t["int4"]), empty($t["int4"]));
var_dump(isset($t["whatthahell"]), empty($t["whatthahell"]));
var_dump($t->connection === $c);
var_dump(isset($t["int4"]), empty($t["int4"]));
var_dump(isset($t["whatthahell"]), empty($t["whatthahell"]));