public static function render_user_panel($username, $role) { $result = ""; if (!usertils::has_role($role, ROLE_USER)) { $result .= "Browsing as " . self::render_user($username, $role) . ". <a href='?action=login'>Login</a>."; } else { $result .= "Logged in as " . self::render_user($username, $role) . ". <a href='?action=logout'>Logout</a>."; } return $result; }