root/antispam/trunk/plugin/punbb_antispam.php

<?php

require_once('antispam_config.php');
require_once('antispam.php');

function punbb_antispam($topic, $message, $author, $ip)
{
    $text = '';
    if ($topic) {
        $text .= "Topic: $topic\n";
    }
    $text .= "Author: $author\n";
    $text .= "IP: $ip\n";
    $text .= "\n";
    $text .= "$message\n";
    return antispam($text);
}

?>