> 6. Redistributions of any form whatsoever must retain the following
> acknowledgment:
> - "This product includes PHP, freely available from
> - <http://www.php.net/>".
> + "This product includes PHP software, freely available from
> + <http://www.php.net/software/>".This change surely has no effect on the issue. This requirement #6 is no problem since the mere inclusion of the license satisfies the requirement. There might be real problems elsewhere in this license, or in Zend.
