Re: [pear-webmaster] feedback wanted on CAPTCHA system
| From: | Martin Jansen | Date: | Fri, 13 Aug 2004 16:59:55 +0000 |
| Subject: | Re: [pear-webmaster] feedback wanted on CAPTCHA system | ||
| References: | 1 | Groups: | php.pear.webmaster |
| Request: | Send a blank email to pear-webmaster+get-2975@lists.php.net to get a copy of this message | ||
On Fri Aug 13, 2004 at 12:1515PM -0400, Daniel Convissor wrote:
> A few weeks ago I committed code that can be used for generating
> CAPTCHAs for pearweb. It can then be extrapolated for use on the
> other php.net sites.
>
> The source of the image generation is at:
> http://cvs.php.net/co.php/pearweb/public_html/captcha-image.php
>
> and the value generation is at the bottom of:
> http://cvs.php.net/co.php/pearweb/include/pear-format-html.php
Cool stuff!
> I chose letters that are fuzzy so they would be harder to decipher via
> optical character recognition, which is a real problem for CAPTCHA
> systems. Of course, the fuzzyness makes it a bit harder for people to
> read too, but I feel the tradeoff is worth it. If the letters
> presented in a give CAPTCHA are REALLY too hard new rendering of the
> same letters is obtainable by refreshing the help page.
I must admit that I had a hard time deciphering one of our CAPTCHA
images. Can you make the letters a bit "less fuzzy"? (Sorry for the
vague request.)
All in all this is really great stuff and I'd be glad to have this
implemented on the website.
--
- Martin Martin Jansen
http://martinjansen.com/