php modulo return wrong result

Question

I got problem with this code:

if (!empty($_GET[ \"lic\" ])) $lic = $_GET[ \"lic\" ]; else $e = true;
echo ($lic % 11);

When I post 89

Answer 1

Did you tried this:

if (!empty($_GET[ "lic" ])) $lic = intval($_GET[ "lic" ]); else $e = true;

echo ($lic % 11);