ucaptcha: Generate CAPTCHA validation with custom effects

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Not enough user ratingsTotal: 339 All time: 6,982 This week: 261Up
Version License PHP version Categories
ucaptcha 1.0Public Domain5.0PHP 5, Graphics, Validation, Security
Description Author

This class can generate CAPTCHA validation with custom effects.

It can generate an image with random characters from a configurable list of allowed characters sets.

The text can be obfuscated with several types of noise effects like grayscale noise, color noise, dots, lines, circles, polygons, grind, chessboard, random characters, cartesian, polar and parametric function plot, background image, logo watermark.

The class can also several types of effects randomly to the image like warp, wave, shear, breeze, rotate and convolution.

The generated image is return as a string in the PNG format.

Picture of Federico Ghedina
Name: Federico Ghedina <contact>
Classes: 2 packages by
Country: Switzerland Switzerland
Age: 43
All time rank: 180319 in Switzerland Switzerland
Week rank: 579 Up7 in Switzerland Switzerland Up

Screenshots  
  • sample
  Files folder image Files  
File Role Description
Plain text file ucaptcha.class.php Class main class

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