Re: HN CAPTCHA at http://www.phpclasses.org
| From: | Manuel Lemos | Date: | Thu, 16 Feb 2006 15:26:04 +0000 |
| Subject: | Re: HN CAPTCHA at http://www.phpclasses.org | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-230551@lists.php.net to get a copy of this message | ||
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/