1--TEST-- 2Covariant return-by-ref constraints 3--FILE-- 4<?php 5 6class A implements ArrayAccess { 7 public $foo = array(); 8 9 public function &offsetGet($n) { 10 return $this->foo[$n]; 11 } 12 13 public function offsetSet($n, $v) { 14 } 15 public function offsetUnset($n) { 16 } 17 public function offsetExists($n) { 18 } 19} 20 21$a = new A; 22 23$a['foo']['bar'] = 2; 24 25var_dump($a); 26 27?> 28==DONE== 29--EXPECTF-- 30object(A)#1 (1) { 31 ["foo"]=> 32 array(1) { 33 ["foo"]=> 34 array(1) { 35 ["bar"]=> 36 int(2) 37 } 38 } 39} 40==DONE== 41
