1--TEST-- 2Trying to create an object from dereferencing uninitialized variable 3--FILE-- 4<?php 5 6error_reporting(E_ALL); 7 8class foo { 9 public $x; 10 static public $y; 11 12 public function a() { 13 return $this->x; 14 } 15 16 static public function b() { 17 return self::$y; 18 } 19} 20 21$foo = new foo; 22$h = $foo->a()[0]->a; 23var_dump($h); 24 25$h = foo::b()[1]->b; 26var_dump($h); 27 28?> 29--EXPECTF-- 30Warning: Trying to access array offset on null in %s on line %d 31 32Warning: Attempt to read property "a" on null in %s on line %d 33NULL 34 35Warning: Trying to access array offset on null in %s on line %d 36 37Warning: Attempt to read property "b" on null in %s on line %d 38NULL 39