Forum Moderators: coopster
// First, get the id from the GET query string:
$id = (isset($_GET['id'])) ? $_GET['id'] : '';
if ($id) {
$sql = "INSERT INTO table (id) VALUES($id)";
execute query...
if (insert operation fails because of duplicate key...) {
$sql = "UPDATE table SET counter = counter + 1 WHERE id = $id";
execute query...
More error checking here...
}
}