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run code in 300+ PHP versions simultaneously
<?php class Foo { public static function __callStatic($a, $b) { return 'x'; } } class Bar extends Foo { public function __call($a, $b) { return 'y'; } } var_dump(Foo::x()); var_dump((new Bar)->x());

preferences:
30.44 ms | 402 KiB | 5 Q