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<?php function userland_call_user_func(callable $function, ...$args) { return $function(...$args); } class Test { private function foo($bar) { echo new Exception; } public function callFoo($callfunc) { $callfunc(array($this, 'foo')); } } $o = new Test; $o->callFoo('call_user_func'); $o->callFoo('userland_call_user_func');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function Test::foo(), 0 passed and exactly 1 expected in /in/hMtPC:6 Stack trace: #0 [internal function]: Test->foo() #1 /in/hMtPC(7): call_user_func(Array) #2 /in/hMtPC(11): Test->callFoo('call_user_func') #3 {main} thrown in /in/hMtPC on line 6
Process exited with code 255.

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