/**
* Check if a user exists
*
* @param int $userid
* @param string $username
* @return int
*
* Notes: Returns 'no' if a user doesn't exist, else field under which found
*/
public function userExists($id = 0, $username = '', $email = '')
{
require_once LIBS . 'UserInfo.php';
$userInfo = new UserInfo();
return $userInfo->userExists($this->db, $id, $username, $email);
}
