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<?php namespace Foo{ const TEST = 'asdf'; abstract class Foo { abstract public function addStamp($positionOrConfig = TEST); } } namespace Test { var_dump((new \ReflectionMethod(\Foo\Foo::class, 'addStamp'))->getParameters()[0]->getDefaultValueConstantName()); }
Output for git.master, git.master_jit, rfc.property-hooks
string(8) "Foo\TEST"

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