function onJoin()
{
$user_count = sizeof($this->Channel->users);
if ($user_count > $this->Channel->getVar('peak')) {
if ($this->getConfig('peakshow') === 'yes') {
$this->reply(sprintf("New channel peak for %s: %d users online. Old one was %d users online at %s (%s ago)", $this->Channel->name, $user_count, $this->Channel->getVar('peak'), $this->Channel->getVar('peak_date'), libTime::secondsToString(libTime::getSecondsDifference(date('r'), $this->Channel->getVar('peak_date')))));
}
$this->Channel->saveVar('peak', $user_count);
$this->Channel->saveVar('peak_date', date('Y-m-d H:i:s'));
}
}
