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<?php class Foo { #[MyAttr(msg: __METHOD__)] public function doFoo(#[MyAttr(msg: __METHOD__)] $param = __METHOD__): void { var_dump($param); var_dump(__METHOD__); } } $f = new Foo(); $f->doFoo(); $r = new ReflectionClass(Foo::class); $m = $r->getMethod('doFoo'); var_dump($m->getAttributes()[0]->getArguments()); $p = $m->getParameters()[0]; var_dump($p->getAttributes()[0]->getArguments());
Output for rfc.property-hooks, git.master, git.master_jit
string(10) "Foo::doFoo" string(10) "Foo::doFoo" array(1) { ["msg"]=> string(10) "Foo::doFoo" } array(1) { ["msg"]=> string(10) "Foo::doFoo" }

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