<?php

if($_POST['box'] == "Yes")
	echo "I expected that!";
else if($_POST['box'] == "No")
	echo "I expected that too!";
else if($_POST['box'] == "")
	echo "I expected blank inputs too!";

//by tampering with the post packet using something like the firefox extension "tamperdata" we can cause this to happen	
else
	echo "This should never happen. You got me!";
	
?>