<!DOCTYPE html>
<html lang = "en-US">
<head>
<title>helloScope</title>
</head>
<body>
<?php
$output = "<p>hello world!</p>";
function helloWorld(){
global $output;
print $output;
}
function helloWorld2(){
print $output;
}
helloWorld();
helloWorld2();
?>
</body>
</html>