On Mon, Dec 8, 2014 at 5:39 PM, Matthew Lagoe <matthew.lagoe@xxxxxxxxxxx> wrote: > 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 > > Google recaptcha does that for mobile users, but instead of using a word they show a similar image and you have to select all similar images.
