3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z"; $s = explode("\t", $s); foreach($s as $o => $x) $s[$o] = trim($x); $s = array_reverse($s); foreach($s as $l) echo $l . "\n";
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
Z Y X W V U T S R Q P O N M L K J I H G F E D C B A
preferences:
132.97 ms | 404 KiB | 183 Q