Cell CAPTCHA: Generate and validate CAPTCHA created with divs

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Version License PHP version Categories
cellcaptcha 1.0GNU General Publi...4.0PHP 5, Graphics, Validation, Security
Description Author

This class can be used to generate and validate CAPTCHA text that is created using colored div's and is stored in session variable.

The class renders simulated text by shading certain table cells that show the text in a given color and no actual image is generated.

It can also verify whether a text submitted by the user matches the CAPTCHA text. The verification can be case sensitive or insensitive.

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Screenshots  
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  • screenshot2
  Files folder image Files  
File Role Description
Plain text file example.php Example Example Script
Plain text file font_to_matrix_converter.php Aux. The script use to convert the font to fontmatrix data array
Plain text file defaultfont.php Data Actual Font used in cellCaptcha to create the font matrix
Plain text file fontmatrix.php Data Data Array for Font
Plain text file cellCaptcha.php Class Main Class
Plain text file example2.php Example Example of usage

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