3v4l.org

run code in 300+ PHP versions simultaneously
<?php $labels = array("Element1", "Element2", "Element3", "Element4", "Element5","Element6"); $key = 1; foreach($labels as $value) { if($key%2) { echo $value.","; } else { echo $value.",</br>"; } $key++; } ?>
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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Element1,Element2,</br>Element3,Element4,</br>Element5,Element6,</br>
preferences:
224.94 ms | 406 KiB | 348 Q