foreach ($this->keys as $section => $settings) {
$this->elementStart($section);
foreach ($settings as $setting) {
$value = common_config($section, $setting);
if (is_array($value)) {
$value = implode(',', $value);
foreach ($this->keys as $section => $settings) {
$this->elementStart($section);
foreach ($settings as $setting) {
$value = common_config($section, $setting);
if (is_array($value)) {
$value = implode(',', $value);