Online PHP editor | refs for aUDd2

@ 2019-04-25T13:07:56Z

<?php 
$largegroups = ['','','',''];
$c = 0;
foreach ($largegroups as $key => $users) { // loops 4 times
 for ($i = 1; $i <= 4; $i++) {
  ++$c;
  $c = str_pad($c, 2, '0', STR_PAD_LEFT);
  echo "\n".$groupname = 'Group ' . $c;
 }
}