3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $now = time(); for($i=0;$i<2000000;$i++) echo ""; $end = time(); echo date("H:i:s:u",$now); echo "\n"; echo date("H:i:s:u",$end); echo "\n"; echo $end-$now;
based on qGn1b
Output for 5.2.2 - 7.2.0
22:44:24:000000 22:44:24:000000 0
Output for 4.3.0 - 5.2.1
22:44:24:u 22:44:24:u 0