One issue ive seen with stuff like that is if you have a picture of a bunny some people will call it a rabbit, or a buny, etc etc Especially bad with non-native speakers who may not know the word for something -----Original Message----- From: Christoph Becker [mailto:cmbecker69@xxxxxx] Sent: Monday, December 08, 2014 02:36 PM To: Ken Kixmoeller Cc: PHP General list Subject: Re: Trying to cut down on form spam Ken Kixmoeller: > Not for international use, but: I just downloaded a bunch of very > easily-identifiable similarly-formatted pictures. Made them the same size. > I created a simple table with the name of the picture file and the > english name of the object, both encrypted. Then a simple function > created radio buttons with 5 random object names and one of the 5 > photos. Display a "The best word to identify this:" > > Match 'em up & act accordingly. Such visual-only CAPTCHAs might be impossible to solve by visually impaired people. It's better to provide a fallback for them, what might be even required by law. -- Christoph M. Becker -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
