Simple Captcha with PHP & XML

Edit! I have upgraded this class, read about it here

I have written up a little captcha class. It doesn't use images like a standard cpatcha but rather simple questions the user has to answer like why is sky blue? It uses a XML file for the question.

The class has a function called drawQuestion() witch will return the HTML form part of the captcha. The other function is called correct() witch will check the POST header variables and see if the person answered the question correctly. The correct() function will return true or false depending on if the user was correct or not.

The download has an example usage of the class, along with some standard questions.

Download Captcha Class

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