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php

--TEST--
Returning a references returned by another function
--FILE--
<?php


function &returnVarByRef () {
    $b=1;
	return $b; 
}

function &testReturnVarByRef() {
	return returnVarByRef();
}

function returnVal () {
return 1; 
}

function &testReturnValByRef() {
	return returnVal();
}

echo "\n---> 1. Return a variable by reference -> No warning:\n";

var_dump (testReturnVarByRef());

echo "\n---> 2. Return a value by reference -> Warning:\n";

var_dump (testReturnValByRef());

--EXPECTF--
---> 1. Return a variable by reference -> No warning:
int(1)

---> 2. Return a value by reference -> Warning:

Notice: Only variable references should be returned by reference in %s on line %d
int(1)