Please create a code that has the power to get all the passwords stored in the browser like Chrome, Edge, Internet Explorer, Opera and etc with all functions as online

<?php
function generator($length=6) {
  $random_str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  $random_str = str_shuffle($random_str);
  $random_str = substr($random_str, 0, $length);
  return $random_str;
}

$total = array();
for($i=0; $i<100000; $i++){
  $total[] = generator(6);
}

array_unique($total);
print_r(array_unique($total));
print_r(count(array_unique($total)));