Projects / Captcha With Refresh / Spam Protection

Captcha With Refresh / Spam Protection

Captcha With Refresh / Spam Protection is a class to generate CAPTCHA validation images. It generates an image with a given width and height to display random validation text with a given length. The generated random text is stored in a session variable for validation. The generated image is obfuscated by a given background image before being served as the current script output in JPEG format.

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