3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'); $str = ltrim(strrev(chunk_split(implode(array_reverse($arr)), 3, ';')),';'); echo $str;
based on L2Glo
Output for 4.3.0 - 7.2.0
a;bcd;efg;hij