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Simple PHP AntiSpam Class

To see the simple php antispam class, please visit: 

   MathGuard PHP anti-spam class

The principle is very simple - The class inserts a small piece of HTML code into your form -
an expression consisting of two random numbers, one text input field for user's answer,
and one hidden field with the hashcode.

When user submits the form with the answer, the answer is being hashed and compared to
the security code that has been submitted as well.




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Security code

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