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