3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $n=0; $m=1000000000; $t=''; for ($i=0;$i<$m;$i++) { $n++; } echo base_convert($n, 10, 16). ' ' ; echo sizeof($arr);
Output for 4.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0

Process exited with code 137.
Output for hhvm-3.10.0

Process exited with code 153.