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run code in 300+ PHP versions simultaneously
<?php (fn(...$x) => var_dump($x))(['a' => 'b']);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array(1) { [0]=> array(1) { ["a"]=> string(1) "b" } }
preferences:
60.06 ms | 406 KiB | 5 Q