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 '<br>'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
123<br>456<br>789<br>