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Verification code library

PHP verification code class that supports Chinese alphanumeric and custom fonts

Verification code library

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PHP verification code class that supports Chinese alphanumeric and custom fonts Verification codes are often used on login pages, message pages, and registration pages. The principle of verification codes is very simple: use the GD library to create a picture. Of course, the picture must be added with the necessary interference code, and then save the SESSION on the server side, waiting for the user Determine whether the sessions are the same when submitting.

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