3v4l.org

run code in 300+ PHP versions simultaneously
<?php $letters = "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"; $let_arr = explode(" ", $letters); $str = ""; while (strlen($str) != (strlen($letters)-(count($let_arr)*2))+4) { $tr = strlen($str);if ($tr > 0) {if ($tr > 1) {$str .= $let_arr[0]; }else{$str .= $let_arr[12];} }else{$str .= $let_arr[8];} }echo $str;
Output for 7.1.0 - 7.1.33, 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
IMA
preferences:
63.43 ms | 407 KiB | 5 Q