The karma feature in Pligg has always been a mysterious feature. I still haven’t been able to change the values given for submissions, votes etc…

The basics of the karma system are the member gets X number of points for stories submitting, stories voted on, then it’s put into a mathematical equation against time elapsed.

Here are the settings for karma found in libs/karma.php:

$karma_base=10;
$min_karma=6;
$max_karma=2000;
$negative_per_day = 0.3;
$history_from = time() - 3600*24*7;
$points_link_users = 10;
$points_vote_users = 1;

I am going to change some of these values and see how member karma changes.

One of the biggest issues with the karma function is getting the karma rating for each member updated. There are really only 2 options to do this:

1. manually using your browser and visiting http://www.yourpligg.com/libs/karma.php
2. setting up a cron job in your cPanel

I highly recommend using a cron job, set it and forget it. If you have a large number of members using the browser method can take a few minutes.

To set it up using a cron job, check out the tutorial written by Lincoln at Social CMS buzz.

If you have any tips or questions, post them in the comments section below.

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