PHP Classes

CAPTCHA by Anchal: Generate and validate CAPTCHA images

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captcha_class 1.0GNU General Publi...4.0Graphics, Validation, Security


This class can be used to generate and validate CAPTCHA validation images.

It can generate an image with a text string with a variable length of a set of allowed characters.

The class generates an image with the generated text obfuscated by noise text or grid lines.

The generated image is stored in a JPEG format file created in a temporary server directory.

The class can also validated whether the text entered by the user corresponds to the text displayed in the image.

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  Files folder image Files  
File Role Description
Plain text file captcha.class.php Class Captcha Class with example
Accessible without login Plain text file captcha.config.php Conf. Captcha Config Class
Accessible without login Plain text file example.php Example Example file
Accessible without login Plain text file Instructions.txt Doc. Instructions

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