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run code in 300+ PHP versions simultaneously
<?php $a = 1; $f = fn() => $a; var_dump($f);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
object(Closure)#1 (1) { ["static"]=> array(1) { ["a"]=> int(1) } }
preferences:
92.43 ms | 402 KiB | 62 Q