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<?php class QQ { public static function main() { $q = 123; $f = function($param) use($q) { var_dump(func_get_args()); }; $f("asd"); } } QQ::main();
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(1) { [0]=> string(3) "asd" }

preferences:
132.02 ms | 404 KiB | 227 Q