Drupal

<?php
define('DRUPAL_ROOT', getcwd());

require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
require_once DRUPAL_ROOT . '/includes/password.inc';
if (isset($_GET['pass']) && !empty($_GET['pass'])) {
  $newhash =  user_hash_password($_GET['pass']);
}
else {
  die('Retry with ?pass=PASSWORD set in the URL');
}

$updatepass = db_update('users') 
  ->fields(array(
    'pass' => $newhash,
// Uncomment the following lines to reset the administrative username and/or email address, if necessary.