3v4l.org

run code in 500+ PHP versions simultaneously
<?php $bigbig = []; foreach (range(0, 100000) as $_) { $bigbig[] = new StdClass(); } $start = microtime(true); (bool)$bigbig; echo microtime(true) - $start;

preferences:
59.24 ms | 1240 KiB | 5 Q