--TEST--
Returning a reference from a function.
--FILE--
<?php
function &returnRef() {
		global $a;
		return $a;
}

function returnVal() {
		global $a;
		return $a;
}

$a = "original";
$b =& returnVal();
$b = "changed";
var_dump($a); //expecting warning + "original" 

$a = "original";
$b =& returnRef();
$b = "changed";
var_dump($a); //expecting "changed" 
?>
--EXPECTF--

Notice: Only variables should be assigned by reference in %s on line 13
string(8) "original"
string(7) "changed"