finding the php.ini in use or shutting it down

Hi, I have psa and multiple php.ini's and I dont know which is the one in use to edit so how can I tell which one is in use, so far I have done this which I thought wouldof made php stop working...

PHP Code:
;;;;;;;;;;;;;;;;;;;;
Language Options ;
;;;;;;;;;;;;;;;;;;;;

Enable the PHP scripting language engine under Apache.
engine Off 
Then I did service httpd restart

I have done it to all php.ini files I believe

 

 

 

 

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