PHP-iCaptcha: CAPTCHA validation asking questions about pictures
Tuesday, July 3rd, 2007
iCaptcha
This PHP class can be used to implement a CAPTCHA validation method that asks questions about pictures to the user.
It presents several images and asks the user to answer a question related to the pictures. Only one picture is the right answers. The user has to pick the right picture to pass the validation.
The class presents the question and pictures in a form with radio buttons associated to each picture to let the user pick the right picture that answers the question.
The information about the pictures that the user picks is stored in a MySQL database.
Download iCaptcha