3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo implode(' ', array_unique(explode(' ', "0 16 16 15 15 23")));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 16 15 23