More comment flood
Mark Ghosh 
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Addendum from my previous post about comment flooding, this is what I would change the code in my wp-comments-post.php (between the comments, you should recognize the place):
// Simple flood-protection
$lasttime = $wpdb->get_var("SELECT comment_date FROM $tablecomments ORDER BY comment_date DESC LIMIT 1");
if (!empty($lasttime)) {
$time_lastcomment= mysql2date('U', $lasttime);
$time_newcomment= mysql2date('U', $now);
if (($time_newcomment - $time_lastcomment) < 300)
die( __('Sorry, this blog only allows a new comment once every 300 seconds. If you really want to write a comment, just wait a few and hit refresh on this page. Chances are you tried to add a comment about halfway between 0 and 300 seconds. Comment flooders are annoying. Thank you for being patient.') );
}
My own MySql server is messed up (because my mysql server is screwy AND in a different time zone than my web server, figure that) but it should work. If something breaks, I will try it on another server.
(1 votes, average: 5 out of 5)
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Nice idea Mark, any chance of releasing it as a plugin so users dont have to hack the wp-comments-post.php file directly?
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Thumbs up! I put my vote in for a plugin also, this would be great. Thanks for the wp hack Mark.