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<?php namespace Name; function Boo() { var_dump('func:', __FUNCTION__, __METHOD__); } trait Constants { public static function traitC () { return __METHOD__; } } class Foo { //use Constants; public function method () { return function () { var_dump(__FUNCTION__, __METHOD__); }; } } $stdClass = new \stdClass(); $closure = (new Foo())->method(); $closure(); $closure = $closure->bindTo($stdClass); $closure(); $ref = new \ReflectionFunction($closure); var_dump($ref->getName());

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