3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = time(); for($i=0;$i<100000;$i++) echo ""; $end = time(); echo date("H:i:s",$now); echo "<br>"; echo date("H:i:s",$end); echo "<br>"; echo date("H:i:s",$end-$now);

preferences:
44.97 ms | 402 KiB | 5 Q