Generate a random string with PHP

random_string.php

<?php

function random_string($length = 10) {
   $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
   $randomString = '';
   
   for ($i = 0; $i < $length; $i++) {
       $randomString .= $characters[rand(0, strlen($characters) - 1)];
   }
   
   return $randomString;
}