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run code in 500+ PHP versions simultaneously
<?php function fib() { static $i = 1; static $k = 0; $boof = $k; $k = $i + $k; $i = $boof; return $k; } fib(); fib(); fib(); fib(); fib(); fib(); echo $fib_result = fib();
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
13
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72.53 ms | 1008 KiB | 4 Q