3v4l.org

run code in 300+ PHP versions simultaneously
<?php $labels_array=array("Element 1","Element 2","Element 3","Element 4","Element 5","Element 6"); echo implode("\n",array_map(function($i){ return implode(", ",$i); },array_chunk($labels_array,2)));
Output for 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Element 1, Element 2 Element 3, Element 4 Element 5, Element 6

preferences:
248.55 ms | 404 KiB | 410 Q