3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ 'Light Blue1', 'Blue2', 'Blue1', 'Black3', 'Black12', 'Black2' ]; natsort($data); $result = []; foreach ($data as $value) { $result[rtrim($value, '0..9')] = $value; } var_export(array_values($result));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => 'Black12', 1 => 'Blue2', 2 => 'Light Blue1', )

preferences:
81.84 ms | 406 KiB | 5 Q