<?php $regions = [ 'int' => 1, 'nl' => 2, 'be' => 4, 'us' => 8, 'as' => 16, 'za' => 32, ]; foreach ($regions as $region => $x) { $list[$region] = $i = $x; while (end($regions) * 2 - (++$i%$x?$i:$i+=$x) > 0) $list[$region] .= ",$i"; } var_dump($list);
You have javascript disabled. You will not be able to edit any code.