Engineering Flowchart in PHP

gistfile1.txt

$behaviour = $_GET['behaviour'];
$shouldIt = $_GET['shouldIt'];

switch($behaviour){
  case "moves";
    if ($shouldIt == "yes"){
      return "Everything works!";
    } else {
      return "Apply duct tape.";
    }
  break;
  case "moves not";
    if ($shouldIt == "no"){
      return "Everything works!";
    } else {
      return "Apply lubricant.";
    }
  break;
  default;
    return "We're working on it.";
  break;
}