zendframework/zf2 — pull request #1813 by xl32 (2012-07-09 14:15:52+00:00)
Title: Zend\Db\Sql\Delete: Where combination fixed

$delete->where(array(
'user' => $userId,
'response' => $this->id,
));

worked as

$delete->where(array(
'response' => $this->id,
));

only last array element was applied.