b8

Important: b8 0.5

The development version of b8, which will finally abandon PHP 4 compatibility and contain massive improvements, has not been tagged yet. In principle, it can be already used anyway. Eveybody who’s interested can check it out from the nasauber.de’s Subversion repository!

From the readme: What is b8?

b8 is a spam filter implemented in PHP (formerly called "bayes-php"). It is intended to keep your weblog or guestbook spam-free. The filter can be used anywhere in your PHP code and tells you if a text is spam or not, using statistical text analysis. See How does it work? for details about this.
To be able to do this, b8 first has to learn some spam and some ham example texts to decide what's good and what's not. If it makes mistakes classifying unknown texts, they can be corrected and b8 learns from what was going wrong, getting better with each example text.

Basically, b8 is a Bayesian spam filter like Bogofilter or SpamBayes, but it is not intended to classify emails. On the other hand, I don't know a good spam filter (or any spam filter that isn't just example code how one could implement a Bayesian spam filter in PHP) that is intended to filter weblog or guestbook entries, and here we have the raison d'�tre for b8 ;-)
Caused by this fact, the way b8 works is slightly different from most of the Bayesian email spam filters out there. See What's different? if you're interested in the details.

The whole documentation lives inside the readme.

Statistical Analysis

If you're interested in the performance of b8 and a discussion about the best settings for the filter, see the Statistical Discussion.

Advertising :-)

You can do some promotion for b8 if you want :-) Here are some logo suggestions:

	png svg	<p> <a href="http://nasauber.de/programme/b8/"> <img width="..." height="..." src="..." alt="b8 protected" /> </a> </p>
	png svg
	png svg

Meanwhile, several sites seem to use b8. If you also do or plan to do it, it would be really cool if you wrote me an email. Just because I'm curious where the filter does his work :-)

To all Windows users: perhaps, you don't know the file format ".tar.gz" … on UNIX systems, it is widely used. If you don't have a packing program that can handle it, I recommend 7-zip.

Download

b8-0.4.4.tar.gz
45.6 KB, Last change: 2009-02-03

Older versions:
b8-0.4.3.tar.gz (43.4 KB)
b8-0.4.2.tar.gz (42.8 KB)
b8-0.4.1.tar.gz (42 KB)
b8-0.4.tar.gz (41.2 KB)
b8-0.3.3.tar.gz (24.9 KB)

Older versions of bayes-php:
bayes-php-0.3.3.tar.gz (24.3 KB)
bayes-php-0.3.2.tar.gz (24.9 KB)
bayes-php-0.3.1.tar.gz (22.8 KB)
bayes-php-0.3.tar.gz (22.7 KB)
bayes-php-0.2.1.tar.gz (17 KB)
bayes-php-0.2.tar.gz (16.8 KB)
bayes-php-0.1.2.tar.gz (13.4 KB)
bayes-php-0.1.1.tar.gz (13.1 KB)
bayes-php-0.1.tar.gz (12.8 KB)