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<?php class C { function f() { $cl = function($p) {}; $rf = new ReflectionFunction($cl); $rps = $rf->getParameters(); $rp = $rps[0]; return $rp->getDeclaringFunction(); } } $c = new C; $r = $c->f(); var_dump($r->isClosure()); var_dump($r->getClosureScopeClass()->getName());
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) string(1) "C"

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