3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(array(1,2,3),array(4,5,6),array(7,8,9)); $myArr = ''; for($i = 0; $i < 3; $i++){ for($j = 0; $j < 3; $j++){ echo $arr[$i][$j].' '; } echo '- '; }
Output for 4.3.0 - 7.1.0
1 2 3 - 4 5 6 - 7 8 9 -