3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = microtime(true); for($i = 0;$i < 1000000; $i++) { $a = 0b10010111100101001 + 0b11100101001100101; } echo microtime(true) - $s;

preferences:
30.88 ms | 402 KiB | 5 Q