1--TEST-- 2Bug #21600 (assign by reference function call changes variable contents) 3--INI-- 4error_reporting=4095 5--FILE-- 6<?php 7$tmp = array(); 8$tmp['foo'] = "test"; 9$tmp['foo'] = &bar($tmp['foo']); 10var_dump($tmp); 11 12unset($tmp); 13 14$tmp = array(); 15$tmp['foo'] = "test"; 16$tmp['foo'] = &fubar($tmp['foo']); 17var_dump($tmp); 18 19function bar($text){ 20 return $text; 21} 22 23function fubar($text){ 24 $text = &$text; 25 return $text; 26} 27?> 28--EXPECTF-- 29Notice: Only variables should be assigned by reference in %sbug21600.php on line 4 30array(1) { 31 ["foo"]=> 32 string(4) "test" 33} 34 35Notice: Only variables should be assigned by reference in %sbug21600.php on line 11 36array(1) { 37 ["foo"]=> 38 string(4) "test" 39} 40