3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $str = "A, B, C, D, E"; $components = explode(", ", $str); if (count($components) <= 1) { //If there's only one word, and no commas or whatever. echo $str; die(); //You don't have to *die* here, just stop the rest of the following from executing. } $last = array_pop($components); //This will remove the last element from the array, then put it in the $last variable. echo implode(", ", $components) . " &amp; " . $last;
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.2.18, 8.3.0 - 8.3.6
A, B, C, D &amp; E

preferences:
212.77 ms | 406 KiB | 330 Q