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<?php class A { public function f() { $x = async static function ($x) { var_dump($x); }; $x(1); } } (new A())->f();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected 'static' (T_STATIC) in /in/AKdQi on line 5
Process exited with code 255.

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