Hello, on 02/16/2006 01:20 PM tedd said the following: >> I am currently testing HN CAPTCHA and noticed that the range of >> alphabets that were produced ranges from A..F only. My PHP skill is >> quite limited to change that to A..Z so if ppl here have any >> experience with that class, appreciate your thoughts. TIA. >> >> HN CAPTCHA: http://www.phpclasses.org/browse/package/1569.html >> >> --roger > > --roger: > > Why use CAPTCHA? > > It is very problematic for the visually impaired. > > If you must use a barrier, then you can make it less difficult (but > doesn't solve the problem) for the visually impaired by using something > like: > > http://xn--ovg.com/captcha > > If you want the code, just ask. > > Most of those who are aware of disability issues, don't use any barriers > at all.
CAPTCHA is often used to prevent abuses from people using automated robot programs. To solve the problem of visually impaired people, there are audio CAPTCHA solutions. -- Regards, Manuel Lemos Metastorage - Data object relational mapping layer generator http://www.metastorage.net/ PHP Classes - Free ready to use OOP components written in PHP http://www.phpclasses.org/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
