/**
* Generate a random username
*
* Used for local and guest users
*
* @param string $prefix local or guest
* @return string
*/
public static function genRandomUsername($prefix)
{
$string = "";
// take value from session id
if (self::$request instanceof Request) {
$session_id = self::$request->getSession()->getId();
if ($session_id != "") {
$string = $session_id;
}
} else {
$length = 10;
$characters = '0123456789abcdefghijklmnopqrstuvwxyz';
$string = "";
for ($p = 0; $p < $length; $p++) {
$string .= $characters[mt_rand(0, strlen($characters) - 1)];
}
}
return $prefix . '@' . $string;
}