1--TEST-- 2Testing array dereference 3--FILE-- 4<?php 5error_reporting(E_ALL); 6 7function a() { 8 return array(1,array(5)); 9} 10var_dump(a()[1][0]); // int(5) 11 12function b() { 13 return array(); 14} 15var_dump(b()[0]); // Notice: Undefined array key 0 16 17class foo { 18 public $y = 1; 19 20 public function test() { 21 return array(array(array('foobar'))); 22 } 23} 24 25function c() { 26 return array(new foo); 27} 28var_dump(c()[0]->y); // int(1) 29 30function d() { 31 $obj = new foo; 32 return $obj->test(); 33} 34var_dump(d()[0][0][0][3]); // string(1) "b" 35 36function e() { 37 $y = 'bar'; 38 $x = array('a' => 'foo', 'b' => $y); 39 return $x; 40} 41var_dump(e()['b']); // string(3) "bar" 42 43?> 44--EXPECTF-- 45int(5) 46 47Warning: Undefined array key 0 in %s on line %d 48NULL 49int(1) 50string(1) "b" 51string(3) "bar" 52
