public function extractGlobalSetting( $setting, $wiki, $params ) {
$value = $this->getSetting( $setting, $wiki, $params );
if ( !is_null( $value ) ) {
public function extractGlobalSetting( $setting, $wiki, $params ) {
$value = $this->getSetting( $setting, $wiki, $params );
if ( !is_null( $value ) ) {