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Hippo Chinese Cert Code

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  Classes of DavidLanz  >  Hippo Chinese Cert Code  >  Download .tar.gz .zip  >  Support forum Support forum  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: Hippo Chinese Cert Code
Base name: chinese_cert_code
Description: Generate CAPTCHA validation images in Chinese
Related classes: , , , , , , ,
Version: -
PHP version: -
License: GNU General Public License (GPL)
All time users: 234 users
All time rank: 6046
Week users: 0 users
Week rank: 2574
Country specific: This package is specific mainly for applications used in China China .
 

  Author  
Picture of DavidLanz
Name: DavidLanz <e-mail contact>
Packages: 5 Browse all classes by DavidLanz Browse all classes by
Country: Taiwan Taiwan - PHP jobs in Taiwan
Age: ???
All time rank: 1641 in Taiwan Taiwan
Week rank: 279 Down2 in Taiwan Taiwan Down
Innovation award
Innovation award
Nominee: 2x


  Detailed description  
This class can be used to generate CAPTCHA validation images using Chinese words.

The class picks random words from a file with a list of Chinese words represented in the big5 encoding.

The picked word is stored in a session variable so it can be compared with what the user entered in a form later.

The words are rendered in an image using an appropriate True-Type font. The words may be rendered over a given background image.

The generated image is served in the PNG format as part of the current script output.

  Groups   Screenshots Screenshots   Rate classes User ratings   Applications   Files Files  

  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

  Files folder image Screenshots  
Demo
File Role Description
Accessible without login Image file Hippo_Chinese_Cert_Code.jpg Screen Demo


  Innovation Award  
PHP Programming Innovation award nominee
May 2006
Number 7

Prize: One book of choice by Packt
CAPTCHA is an acronym for a group of techniques that are used for preventing the access of automated programs to protected Web site pages that are meant only for real human users.

The most common form of CAPTCHA validation employs the use of fuzzy images with a few text characters that the user must enter correctly to have access to the protected pages.

This class implements a variant of the image based CAPTCHA validation solutions. It renders Chinese characters instead of the usual ASCII characters.

This is a better solution to protect the access to pages that are meant only for human users that can read Chinese text.

Manuel Lemos

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  Files folder image Files  
File Role Description
Image file background.gif Photo simple background picture
Plain text file check.php Example Demo: compare input string and the correct one
Plain text file cht_str.php Data some Chinese words
Plain text file hippo_chinese_cert_code.php Class main Hippo_Chinese_Cert_Code class
Plain text file hippo_sample_image.php Aux. this is where we generate pictures
Plain text file index.php Aux. run demo from here!!!
Plain text file INSTALL Doc. the file u're reading
Plain text file README Lic. summary of this class

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