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run code in 300+ 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
13
preferences:
65.66 ms | 406 KiB | 5 Q