3v4l.org

run code in 300+ PHP versions simultaneously
<?php $labels = array("Element1","Element2","Element3","Element4","Element5","Element6"); $i = 1; foreach($labels as $label) { echo $label; // add a comma if the label is not the last if($i < count($labels)) { echo ", "; } // $i%2 is 0 when $i is even if($i%2==0) { echo "<br>"; // or echo "\n"; } $i++; } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Element1, Element2, <br>Element3, Element4, <br>Element5, Element6<br>
preferences:
300.28 ms | 406 KiB | 462 Q