RANDOM TEXT AND NUMBER (LIKE YOUTUBE)

<?php
function acakadut($jumlah) {
    $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890abcdefghijklmnopqrstuvwxyz';
    $strs = '';
for($i = 0; $i < $jumlah; $i++) {
      $pos = rand(0, strlen($str)-1);
      $strs .= $str{$pos};
}
  return $strs;
}
echo(acakadut(8));
?>