<?
$mysql_db = "DATABASE NAME";
$mysql_user = "YOUR MYSQL USERNAME";
$mysql_pass = "YOUR MYSQL PASSWORD";
$mysql_link = mysql_connect("localhost", $mysql_user, $mysql_pass);
mysql_select_db($mysql_db, $mysql_link);

$result = mysql_query("SELECT impressions from tds_counter where COUNT_ID='$cid'", $mysql_link);
if(mysql_num_rows($result)) {
   mysql_query("UPDATE tds_counter set impressions=impressions+1 where COUNT_ID='$cid'", $mysql_link);
   $row = mysql_fetch_row($result);
   if(!$inv) {
       print("$row[0]");
   }
}
?>