3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $someArray = []; $someArray[] = "one"; $someArray[] = "two"; $someArray[] = ""; $someArray[] = "four"; echo(implode($someArray, ','));
based on HCJlm
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0rc3
one,two,,four