1--TEST-- 2Bug #74164 (PHP hangs when an invalid value is dynamically passed to typehinted by-ref arg) 3--FILE-- 4<?php 5 6namespace Foo; 7 8set_error_handler(function ($type, $msg) { 9 throw new \Exception($msg); 10}); 11 12call_user_func(function (array &$ref) {var_dump("xxx");}, 'not_an_array_variable'); 13?> 14--EXPECTF-- 15Fatal error: Uncaught Exception: Foo\{closure}(): Argument #1 ($ref) must be passed by reference, value given in %s:%d 16Stack trace: 17#0 [internal function]: Foo\{closure}(%s) 18#1 %sbug74164.php(%d): call_user_func(%s) 19#2 {main} 20 thrown in %sbug74164.php on line %d 21
