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Class: CAPTCHA X

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  Classes of Ondrej Maly  >  CAPTCHA X  >  Download .tar.gz .zip  >  Support forum Support forum (2)  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: CAPTCHA X
Base name: captcha_x
Description: Image based CAPTCHA validation
Related classes: , , , , , , ,
Version: -
PHP version: -
License: GNU General Public License (GPL)
All time users: 4592 users
All time rank: 465
Week users: 2 users
Week rank: 1770
Picture of Ondrej Maly
Author: Ondrej Maly <e-mail contact>
Packages: 3 Browse this author's classes Browse this author's classes
Country: Czech Republic Czech Republic - PHP jobs in Czech Republic
Age: 35
All time rank: 2384 in Czech Republic Czech Republic
Week rank: 626 Down9 in Czech Republic Czech Republic Down


  Detailed description  
This class can be used to perform CAPTCHA validation of human users.

It generates an image with a random text rendered in a fuzzy way to make it difficult to guess by robots.

The configuration details are read from an file in the ini format.

Several types of options can be configured like the text fonts, letters, colors and the noise level of the generated image.

The verification image is generated in the JPEG format.

The class stores an MD5 hash of the verification text in a session variable.

 

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Group folder image Graphics Colors, images, charts and picture formats View top rated classes
Group folder image Validation Validation algorithms View top rated classes
Group folder image Security Security protection and attack detection View top rated classes

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  Applications that use this class  
Link Description
Guestbook on ChaoSpace Here I used it first time
Blog Ondulinka Personal homepage
Gitarald's Page Geustbook of one German musician
Sonorika.com Portal Dedicated to Music
Add link image If you know an application of this package, send a message to the author to add a link here.
  Files folder image Files  
File Role Description
Files folder imagefonts (1 file)
Plain text file class.captcha_x.php Class Main file. Contains documentation on class methods
Plain text file captcha_x.ini Data Configuration. Contains documentation on parameters
Plain text file server.php Example Sample CAPTCHA image server
Plain text file index.php Example Sample validation form
Plain text file README.txt Doc. Readme
Image file sample01.jpg Output Sample CAPTCHA image

  Files  /  Files folder image fonts  
File Role Description
  Plain text file PLACEHOLDER Data Just a placehoder for the user fonts directory

Download all files: captcha_x.tar.gz captcha_x.zip
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