Testing php web application

Hi,

I was wondering if someone could tell me where to start for testing a web application which i think is now finished.  There is a limited amount of OOP involved, most of the php files are just plain scripts.  I should have started using unit testing, but is it too late? do i need to convert most of the scripts to OOP? are there any tools to test input fields on a browser? performance testing tools?

thanks in advance
MK15Asked:
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basicinstinctCommented:
MK15Author Commented:
i have looked into that, i was wondering does it need to OOP to be used efficiently?
Ray PaseurCommented:
Agree with the recommendations of selenium and phpunit.  You might also want to make a Google search for "code coverage maps" and going forward, this article may suggest some ideas that would be useful. (#protip: Build the test data before you build the code)
http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/A_7830-A-Quick-Tour-of-Test-Driven-Development.html

Best regards and best of luck with it, ~Ray

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MK15Author Commented:
thanks a lot guys ended up using Selenium and JUnit in Java
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