1--TEST-- 2passing the return value from a function by reference 3--FILE-- 4<?php 5 6function foo(&$ref) 7{ 8 var_dump($ref); 9} 10 11function bar($value) 12{ 13 return $value; 14} 15 16foo(bar(5)); 17 18?> 19--EXPECTF-- 20Strict Standards: Only variables should be passed by reference in %s on line 13 21int(5) 22