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Class: captchaCOLA

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  Classes of ASY  >  captchaCOLA  >  Download .tar.gz .zip  >  Support forum Support forum  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: captchaCOLA
Support forum Support forum
Base name: captchacola
Description: Show images for CAPTCHA validation with pictograms
Related classes: , , , , ,
Version: 1.0
PHP version: 4.0
Licenses: GNU General Public License (GPL)
GNU Lesser General Public License (LGPL)
All time users: 344 users
All time rank: 5328
Week users: 1 user
Week rank: 2467
Picture of ASY
Author: ASY <e-mail contact>
Packages: 1 Browse this author's classes Browse this author's classes
Country: India India - PHP jobs in India
Age: ???
All time rank: 2858185 in India India
Week rank: 1634 Up111 in India India Up


  Detailed description  
This class can be used to show images for CAPTCHA validation using pictogram images.

It generates a CAPTCHA validation text from a random set of characters that can be made of letters, digits or both. The validation text is stored in a session variable for posterior validation.

The class renders a CAPTCHA validation image from pictogram graphics that are associated to each of the validation text characters.

The pictogram graphics are retrieved from image files stored in directories in the PNG format. Alternatively, it may use regular font letters instead of pictogram images.

 

  Groups  
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

  Screenshots Screenshots   Rate classes User ratings   Applications   Files Files  
  Files folder image Screenshots  
Some CAPTCHA images generated with an implementation of this class
File Role Description
Accessible without login Image file captchasample.png Screen Some CAPTCHA images generated with an implementation of this class
Accessible without login Image file captchatext.png Screen sample character captcha


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  Files folder image Files  
File Role Description
Plain text file captchacola.php Class captchaCOLA class
Plain text file config.php Example Configuration file for class (required)

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