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Class: OCR CAPTCHA


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  Classes of Julien PACHET  >  OCR CAPTCHA  >  Download  >  Support forum Support forum (1)  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: OCR CAPTCHA Support forum
Base name: ocr_captcha
Description: Generate images to test whether the user is human
Related top rated classes:
Version: -
Required PHP version: -
License: GNU General Public License (GPL)
All time users: 5872 users
All time rank: 202
Week users: 5 users
Week rank: 1394
 
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Author

Picture of Julien PACHET
Name: Julien PACHET <e-mail contact>
Published packages: 15 Browse this author's classes Browse this author's classes
Country: France France - PHP jobs in France
Home page: http://www.pachet.com/julien
Age: 32
All time rank: 27
Week rank: 90

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

Detailed description

This class is meant to generate CAPTCHA (Completely Automated Public Turing to tell Computers from Humans Apart) images to test whether the user accessing a site is a real human or an automatic script.

The class generate an image with a random key text string printed on it mixed with some noise made of random text characters or line grid.

The image is meant to be used in a form so the user reads the key text in the image and must enter it to prove that is a real human.

The form also passes an hidden field that contains a public key that is used when the form is submitted to the server to verify whether the key text on the image matches what the user entered.

User ratings

Ratings
Utility
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Examples
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Overall
Rank
All time:
Sufficient (78.0%)
Sufficient (76.0%)
-
Sufficient (74.0%)
-
-
Not sure (54.0%)
1074
Month:
Not yet rated by the users

Applications that use this class

Link Description
Example online example. The same as which came with the class
my website example of captcha picture in "creer un compte" on left side link. Verification isn't make yet
Add link image If you know an application of this package, send a message to the author to add a link here.

Files

File Role Description
Plain text file class_ocr_captcha.inc.php Class class file
Plain text file example.php Example test the class
Download all files: ocr_captcha.tar.gz ocr_captcha.zip
NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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