3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time0 = microtime(true); sleep(1); $time1 = microtime(true); sleep(2); $time2 = microtime(true); var_dump(1000*($time1-$time0), 1000*($time2-$time1));

preferences:
35.24 ms | 402 KiB | 5 Q