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<?php class Foo { private $bar = 'oh yea'; public function foo() { return new class { function bar() { return $this->bar; } }; } } var_dump((new Foo)->foo()->bar());
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined property: class@anonymous::$bar in /in/gZXQj on line 10 NULL

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