Just a note, for those curious:
Bill Karwin wrote:
http://framework.zend.com/manual/en/requirements.extensions.html
(I know of one erratum relative to the published list:
the 'hash' extension is required by Zend_Auth_Adapter_Http.)
The fact that that adapter uses hash() is based on this list:
http://framework.zend.com/wiki/display/ZFDEV/PHP+Coding+Standard+%28draft%29#PHPCodingStandard%28draft%29-PHPExtensions
Technically, it could just as well use the built-in md5() function.
Regards,
Bryce Lohr
