Whats is Zend Optimizer & Where to get it ?

[kevin]

Zend Optimizer — is a free application distributed by Zend Technologies, Ltd., designed to optimize PHP scripts.

Many scripts require that you have Zend Optimizer installed so you are able to run them on your server while decrypting and running them on the fly while increasing runtime performance.

Zend Optimizer is free to download at http://www.zend.com

[balvinder]

which scripts require Zend Optimizer?