troubleshooting Question

Why doesn't this code work?

Avatar of LB1234
LB1234 asked on
PHP
6 Comments1 Solution416 ViewsLast Modified:
Don't understand why this isn't working.  When run, I get nothing in the browser.


<?php


function add ($x, $y) {
	$num = $x + $y;
	return $num;
}

add(3,4);

echo $num;


?>
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