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<?php class Thing {} interface Foo { public function bar($baz) : Thing; } interface Bar extends Foo { public function bar($baz) : Thing; } final class Baz implements Bar { public function bar($baz) : Thing { return new Thing; } } var_dump((new ReflectionClass(Foo::class))->getMethod('bar')->getDeclaringClass()->getName()); var_dump((new ReflectionClass(Bar::class))->getMethod('bar')->getDeclaringClass()->getName()); var_dump((new ReflectionClass(Baz::class))->getMethod('bar')->getDeclaringClass()->getName());
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "Foo" string(3) "Bar" string(3) "Baz"

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