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<?php $function = new ReflectionFunction(function (&$a) {}); echo $function . "\n"; foreach ($function->getParameters() as $parameter) { echo $parameter . "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
Closure [ <user> function {closure} ] { @@ /in/KBoee 3 - 3 - Parameters [1] { Parameter #0 [ <required> &$a ] } } Parameter #0 [ <required> &$a ]

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