$ip = $_SERVER['REMOTE_ADDR'];
$past = time()-2;
$sql = “DELETE FROM “.$prefix.”_antiflood WHERE time < ‘$past’”;
$db->sql_query($sql);
$ctime = time();
$db->sql_query(”INSERT INTO “.$prefix.”_antiflood (ip_addr, time) VALUES (’$ip’, ‘$ctime’)”);
$numrow = $db->sql_numrows($db->sql_query(”SELECT * FROM “.$prefix.”_antiflood WHERE ip_addr=’$ip’”));
if ($numrow >= 3) {
   echo “<br><br><center><b>Sorry, too many page loads in so little time!</b></center>”;
   die();
}
unset($ip);