How to connect Zimbra Admin console from php web application

Is there any reference for connecting and perform operations of create users for Linux Zimbra server from PHP or CakePHP application?
Here is the error page link : https://docs.google.com/file/d/0Bx5nzfr3qxekbjBXZF94clEwV3M/edit?usp=drivesdk

Can any body help me to how to resolve this issue ?
