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<?php namespace Name\Space; class Foo { public static function bar() { } } $reflection = new \ReflectionMethod('Name\\Space\\Foo', 'bar'); $closure = $reflection->getClosure(null); $reflection2 = new \ReflectionFunction($closure); $reflection3 = new \ReflectionFunction(function () {}); var_dump($closure, $reflection, $reflection2, $reflection3);
Output for git.master, git.master_jit, rfc.property-hooks
object(Closure)#2 (1) { ["function"]=> string(19) "Name\Space\Foo::bar" } object(ReflectionMethod)#1 (2) { ["name"]=> string(3) "bar" ["class"]=> string(14) "Name\Space\Foo" } object(ReflectionFunction)#3 (1) { ["name"]=> string(3) "bar" } object(ReflectionFunction)#4 (1) { ["name"]=> string(20) "Name\Space\{closure}" }

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