3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $posts = array('post1', 'post2', 'post3', 'post4', 'post5', 'post6', 'post7', 'post8', 'post9'); // one foreach to divide posts $col = 1; foreach($posts as $post) { $cols[$col] = $post; $col = $col == 4 ? 1 : $col+1; } // then, another foreach for the html foreach($cols as $col) { // open col div echo "<div>"; foreach($col as $post) { // print post echo "$post,"; } // close col div echo "</div>"; }
based on 3ANF2
Output for 4.3.0 - 4.3.10, 4.4.0 - 7.2.0
<div> Warning: Invalid argument supplied for foreach() in /in/nov9k on line 13 </div><div> Warning: Invalid argument supplied for foreach() in /in/nov9k on line 13 </div><div> Warning: Invalid argument supplied for foreach() in /in/nov9k on line 13 </div><div> Warning: Invalid argument supplied for foreach() in /in/nov9k on line 13 </div>
Output for 4.3.11
<div></div><div></div><div></div><div></div>