1--TEST--
2register_shutdown_function() without a previous call frame 01
3--FILE--
4<?php
5register_shutdown_function("forward_static_call", "hash_hkdf");
6?>
7Done
8--EXPECT--
9Done
10
11Fatal error: Uncaught Error: Cannot call forward_static_call() when no class scope is active in [no active file]:0
12Stack trace:
13#0 [internal function]: forward_static_call('hash_hkdf')
14#1 {main}
15  thrown in [no active file] on line 0
16