// Add beacon image for logging and setting cookies
if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match("#Mozilla/(1|2|3|4)#", $_SERVER['HTTP_USER_AGENT']) && !preg_match("#compatible#", $_SERVER['HTTP_USER_AGENT']))
{
$outputbuffer .= '<layer id="beacon_'.$row['bannerid'].'" width="0" height="0" border="0" visibility="hide">';
$outputbuffer .= '<img src=\''.$phpAds_config['url_prefix'].'/adlog.php?bannerid='.$row['bannerid'].'&clientid='.$row['clientid'].'&zoneid='.$row['zoneid'].'&source='.$source.'&block='.$row['block'].'&capping='.$row['capping'].'&cb='.md5(uniqid('', 1)).'\' width=\'0\' height=\'0\' alt=\'\'>';
$outputbuffer .= '</layer>';
}
else
{
$outputbuffer .= '<div id="beacon_'.$row['bannerid'].'" style="position: absolute; left: 0px; top: 0px; visibility: hidden;">';
$outputbuffer .= '<img src=\''.$phpAds_config['url_prefix'].'/adlog.php?bannerid='.$row['bannerid'].'&clientid='.$row['clientid'].'&zoneid='.$row['zoneid'].'&source='.$source.'&block='.$row['block'].'&capping='.$row['capping'].'&cb='.md5(uniqid('', 1)).'\' width=\'0\' height=\'0\' alt=\'\' style=\'width: 0px; height: 0px;\'>';
$outputbuffer .= '</div>';
}
Или поменять src на какой-нить статический гиф если хочется иметь псевдожурнал в логах апача.