3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $participants_db = "test_test_test_test_test_test_Sticky_Sticky_Sticky_Sticky_"; $participants = array_unique(explode("_", $participants_db)); print_r($participants); foreach($participants as $user) { echo $user . '\n'; } ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => test [6] => Sticky [10] => ) test\nSticky\n\n