3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(); $a[] = 1; $a[] = 2; $a[] = 3; echo join(',', $a);
Output for 4.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
1,2,3
Output for hhvm-3.10.0

Process exited with code 153.