Stuff

<?php
class my_class
{
	function msg($msg)
	{
		return $msg . "\n";
	}
}

$class = new my_class();

function my_func()
{
	global $class;
	
	echo $class->msg('HI!');
	unset($class);
}

my_func();
echo $class->msg('HI AGAIN!');