- Output for 7.1.28, 7.2.18 - 7.2.33, 7.3.16 - 7.3.33, 7.4.4 - 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-Pp-Ggg-Llll-Nnnnn-Rrrrrr-Xxxxxxx-Qqqqqqqq-Eeeeeeeee-Nnnnnnnnnn-Uuuuuuuuuuu
<?php
function accum($s) {
$split = str_split($s, 1);
$out = '';
foreach ($split as $idx => $char) {
if ($idx > 0) {
$out .= '-';
}
$out .= ucfirst(str_repeat($char, $idx + 1));
}
return $out;
}
echo accum('zpglnrxqenu');