PHP Classes

ucaptcha: Generate CAPTCHA validation with custom effects

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2012-01-01 (5 years ago) RSS 2.0 feedNot enough user ratingsTotal: 337 All time: 6,829 This week: 557Up
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.

Name: Federico Ghedina <contact>
Classes: 2 packages by
Country: Switzerland Switzerland
Age: 41
All time rank: 177319 in Switzerland Switzerland
Week rank: 1104 Up11 in Switzerland Switzerland Up

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

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