Ron,

PHP within itself is per request based and not multi-threaded like java or other things. Zend_Registry in no way enables you to share data across multiple separated scripts(unless you are talking about includes, but it doesn't seem that way). The only way to persist data in PHP is to store information in a database, and Zend_Registry isn't the answer here...

I've written more on this subject, Tangfucius

If I can find good answers, it really would be great.