Customizable CAPTCHA
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Summary:
Generate and validate CAPTCHA images
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Description:
This class can be used to Generate and validate CAPTCHA images.
It can generate an image with a random text made of hexadecimal digits.
The class stores the text in a session variable for posterior verification.
The image is served as the current script output in PNG format.
It can generate an image with a random text made of hexadecimal digits.
The class stores the text in a session variable for posterior verification.
The image is served as the current script output in PNG format.
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