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";

preferences:
50.3 ms | 402 KiB | 5 Q