Solmetra FormValidator

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SOLMETRA FormValidator is a PHP class used to validate web forms against automated submissions. The process involves generating and displaying a distorted image of secret phrase which is readable to humans but completely incomprehendable to machines - even to OCR programs. This protection mechanism is known as CAPTCHA (completely automated public Turing test to tell computers and humans apart).

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    Rated 3.67 out of 5 (94 ratings)
  • 1 Member Reviews
  • Views: 3,474
  • Price: Commercial

Listing Details

Filed in:
Scripts / PHP / Scripts & Programs / Security Systems
Submitted on:
Last Updated:
Feb 11, 2009 
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License & Pricing Information

License Type:
$0.00 USD
Additional Info:
License Type:
10.00 EUR
Additional Info:
License for non-GPL compatible use

User Reviews 

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Average Member Rating: 3.67/5

Displaying 1-1 out of 1 reviews

  • PHP with GD support required. I plugged in a half-dozen CAPTCHAs but SOLMETRA worked instantly right out of the box. I selected my own background grid and added my own fonts and resized the image -- all very easily done. The image uses random type faces twisted at random angles to thwart robotic readings. You REALLY need a Turing Test on your feedback and contact-me forms to help avoid email header injection attacks. Solmetra is the one I like best. It's the one I use in my form2mail program.

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