1--TEST-- 2Testing type-hinted lambda parameter inside namespace 3--FILE-- 4<?php 5 6namespace foo; 7 8$x = function (?\stdclass $x = NULL) { 9 var_dump($x); 10}; 11 12class stdclass extends \stdclass { } 13 14$x(NULL); 15$x(new stdclass); 16$x(new \stdclass); 17 18?> 19--EXPECTF-- 20NULL 21object(foo\stdclass)#%d (0) { 22} 23object(stdClass)#%d (0) { 24} 25