[PHP] Zend Extension

Please, help me: give me a link to manual for Zend Extension developing (please don't give me a link for simple PHP extension - i interested in writing simple encoder like Zend Encoder :)) Sorry for my English :)

[PHP] Zend Extension

Please, help me: give me a link to manual for Zend Extension developing (please don't give me a link for simple PHP extension - i interested in writing simple encoder like Zend Encoder :)) ...Sorry for my English :)