protected static function _compare_settings($_id, $_setting_1, $_setting_2)
 {
     if (PrisnaGWTCommon::endsWith($_id, '_template') || PrisnaGWTCommon::endsWith($_id, '_template_dd')) {
         return PrisnaGWTCommon::stripBreakLinesAndTabs($_setting_1['value']) == PrisnaGWTCommon::stripBreakLinesAndTabs($_setting_2['value']);
     }
     if ($_id == 'override') {
         if ($_setting_1['value'] != $_setting_2['value'] && PrisnaGWTValidator::isEmpty($_setting_1['value'])) {
             return true;
         }
     }
     if ($_id == 'languages') {
         return $_setting_1['value'] === $_setting_2['value'];
     }
     return $_setting_1['value'] == $_setting_2['value'];
 }
 public static function save()
 {
     if (!is_null(self::_import())) {
         return;
     }
     $settings = PrisnaGWTConfig::getDefaults();
     $result = array();
     foreach ($settings as $key => $setting) {
         $value = PrisnaGWTCommon::getVariable($setting['id'], 'POST');
         switch ($key) {
             case 'languages':
                 $value = PrisnaGWTCommon::getVariable(str_replace('languages', 'languages_order', $setting['id']), 'POST');
                 if ($value !== false) {
                     $value = explode(',', $value);
                     if ($value !== $setting['value']) {
                         $result[$key] = array('value' => $value);
                     } else {
                         unset($result[$key]);
                     }
                 } else {
                     unset($result[$key]);
                 }
                 break;
             case 'import':
             case 'export':
                 continue;
                 break;
             default:
                 if ($key == 'id' || PrisnaGWTCommon::endsWith($key, '_class') && $key != 'language_selector_class' && $key != 'translated_to_class') {
                     $value = trim(PrisnaGWTCommon::cleanId($value));
                 } else {
                     if ($key == 'translated_to_class') {
                         $value = trim(PrisnaGWTCommon::cleanId($value, '-', false));
                     }
                 }
                 $unset_template = PrisnaGWTCommon::endsWith($key, '_template') && PrisnaGWTCommon::stripBreakLinesAndTabs($value) == PrisnaGWTCommon::stripBreakLinesAndTabs($setting['value']);
                 if (!$unset_template && $value !== false && $value != $setting['value']) {
                     $result[$key] = array('value' => $value);
                 } else {
                     unset($result[$key]);
                 }
                 break;
         }
     }
     if (array_key_exists('display_mode', $result) && $result['display_mode']['value'] == 'tabbed' && !array_key_exists('banner', $result)) {
         $result['banner'] = array('value' => 'false');
     }
     self::_commit(PrisnaGWTConfig::getDbSettingsName(), $result);
 }