3v4l.org

run code in 500+ PHP versions simultaneously
<?php $bit = log(64,2); echo gettype(6)."\n"; echo gettype($bit)."\n"; echo (int)$bit."\n"; echo round($bit)."\n";
Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
integer double 6 6
preferences:
108.22 ms | 1631 KiB | 4 Q