A Simple SOAP Client and Server

Instead of compressing our data, we could encrypt it or even do both. Encryption can easily be achieved using the mcrypt extension which has been available in PHP since PHP 3, but really only became powerful in PHP 4. I really want to recommend that you read more about cryptography before you start using it in your software. It’s best to understand why you do something a certain way than to just assume that it will be secure enough, when following the instructions I give below.