foreach ($config as $cat => $section) {
if (is_array($section)) {
foreach ($section as $key => $value) {
if (is_array($value)) {
foreach ($value as $k => $v) {
foreach ($config as $cat => $section) {
if (is_array($section)) {
foreach ($section as $key => $value) {
if (is_array($value)) {
foreach ($value as $k => $v) {