Mine

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)) {
?>