[PHP] select tag doesn't update post or get

I have a xhtml form with a select with options if I click submit the processing page is loaded and the result of the form is shown. The option given to the processing page however is always the same: the first in the list. It doesn't matter what I select in the drop down menu, the value of

[PHP] starting shell script on server: defer acces when running

I have a shell script I want to run which generates an html page after it runs some tests on the software I am writing. I call the script with exec(…); The tests take more than 2 minutes to complete. If I try to run more than one test at the same time: trouble. I want to solve this by