PHP Classes

ucaptcha: Generate CAPTCHA validation with custom effects

Recommend this page to a friend!
  Info   Demos   Screenshots Screenshots   View files View files (1)   DownloadInstall with Composer Download .zip   Reputation   Support forum (1)   Blog    
Last Updated Ratings Unique User Downloads Download Rankings
2012-01-01 (8 years ago) RSS 2.0 feedNot enough user ratingsTotal: 338 All time: 6,967 This week: 639Up
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: 43
All time rank: 180019 in Switzerland Switzerland
Week rank: 746 Up8 in Switzerland Switzerland Up


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

 Version Control Unique User Downloads Download Rankings  
This week:0
All time:6,967
This week:639Up