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<?php function call($o, $a, $r, $context) { $ref = new ReflectionFunction($o); return $ref->invokeArgs($a); } class A { protected $a = 5; public function __invoke() { $f = function () { return $this->a; }; return $f(); //eturn call($f, array(), array(), isset($this) ? $this : null); } } $a = new A; var_dump($a());
Output for git.master, git.master_jit, rfc.property-hooks
int(5)

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