Dave M G wrote: > First, is there a term for these kinds of images, or that kind of > verification system? What would be the best search terms to look for > source scripts? CAPTCHA > Second, can anyone recommend a resource for that kind of PHP script. If > I really worked at it, I could probably write the script to generate a > small PNG image with a random number in it. But I haven't the faintest > clue how to distort it so it's only legible to humans, nor how to > correlate the image with a number that a user inputs into a form field. http://pear.php.net/package/Text_CAPTCHA Cheers, David -- David Grant http://www.grant.org.uk/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php