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<?php function call($o, $a, $r, $context) { return call_user_func_array($o, $a); } class A { protected $a = 5; protected function dd() { return 'protected'; } public function __invoke() { $f = function () { return $this->a; }; //return call($f, array(), array(), isset($this) ? $this : null); return call(array($this, 'dd'), array(), array(), isset($this) ? $this : null); } } $a = new A; var_dump($a());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, cannot access protected method A::dd() in /in/fPJnb:4 Stack trace: #0 /in/fPJnb(21): call(Array, Array, Array, Object(A)) #1 /in/fPJnb(26): A->__invoke() #2 {main} thrown in /in/fPJnb on line 4
Process exited with code 255.

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