this code is not working????

Posted on 16th Feb 2014 07:03 pm by admin

it says this error.. Warning: Division by zero in ..

the variables are correct, so why is the variable $max zero??/
Code: $sw = $_GET['w'];
$sh = $_GET['h'];



if("$swx$sh" =="1024x768") {
$max = 9;
}elseif("$swx$sh" =="1440x900") {
$max = 14;
}


$run = mysql_query($recent);
$foundnum = mysql_num_rows(mysql_query($recent));
$row_count = ceil($total / $max);


$row_count = ceil($foundnum / $max);

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