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Classes of Josh Storz

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Name: Josh Storz <contact>
Classes: 1
Country: United States United States
Age: ???
All time rank: 46458 in United States United States
Week rank: 200 Up25 in United States United States Up
All time users: 6119
Week users: 0
Innovation award
Innovation award
Nominee: 1x
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  Files folder image Animated CAPTCHA  
PHP Programming Innovation award nominee
June 2007
Number 6

Prize: One year server license IP to country region city database
CAPTCHA validation using animated math expressions
This class can be used to perform CAPTCHA validation presenting to the users simple mathematical expressions as a sequence of animated pictures to make it difficult for robots to pass a form being validated.

It generates an animated GIF image that displays a mathematical expression of a simple operation between two random numbers, like sum, subtraction and multiplication.

The numbers and the operation are stored in session variables for posterior verification.
RatingsUtility Consistency Documentation Examples Tests Videos Overall Rank
All time: 82% 82% 82% 84% - - 66% 529
Month: Not yet rated by the users

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