if(isset($_POST['select_season']) && in_array((int) $_POST['select_season'], range(1,2))) { switch($_POST['select_season']) { case 1: $sql = "select * from episode_db where season=1"; break; case 2: $sql = "select * from episode_db where season=2"; break; default: $sql = "select * from episode_db where season=2"; break; } $query = mysql_query($sql) or die(mysql_error()); while($row = mysql_fetch_assoc($query)) { ?>