In one of my softwares i have to prove that the xml output given is authentic. So i simply take secret known by my counterpart and me, add it to the xml string and use a md5 to sign the xml stuff. No more.

Actually "SOAP" is just "A". There is no object orientation, no protocol and least but not last no "simple" in it.

About one week ago i did the about 3526th most important thing in my live: my development platform is no longer php4, it’s php5 now. since i (and my customers, more important) are depending on a stable development environment, that’s not as simple as it may seem. And – surprise, surprise – everything went fine,…