function _addLanguage($aLanguage, $aLangInfo)
 {
     $oDb = new BxDolModuleDb();
     if (getLangIdByName($aLangInfo['Name'])) {
         // language already exists
         return false;
     }
     $sLangName = $oDb->escape($aLangInfo['Name']);
     $sLangFlag = $oDb->escape($aLangInfo['Flag']);
     $sLangTitle = $oDb->escape($aLangInfo['Title']);
     if (!$oDb->res("INSERT INTO `sys_localization_languages` VALUES (NULL, '{$sLangName}', '{$sLangFlag}', '{$sLangTitle}')")) {
         return false;
     }
     $iLangKey = $oDb->lastId();
     foreach ($aLanguage as $sKey => $sValue) {
         $sDbKey = $oDb->escape($sKey);
         $sDbValue = $oDb->escape($sValue);
         $iExistedKey = $oDb->getOne("SELECT `ID` FROM `sys_localization_keys` WHERE `Key` = '{$sDbKey}'");
         if (!$iExistedKey) {
             // key is missing, insert new key
             if (!$oDb->res("INSERT INTO `sys_localization_keys` VALUES (NULL, " . BX_DOL_LANGUAGE_CATEGORY_SYSTEM . ", '{$sDbKey}')")) {
                 continue;
             }
             $iExistedKey = $oDb->lastId();
         }
         $oDb->res("INSERT INTO `sys_localization_strings` VALUES({$iExistedKey}, {$iLangKey}, '{$sDbValue}')");
     }
     return true;
 }
 function _addLanguage($aLanguage, $aLangInfo)
 {
     $oDb = new BxDolModuleDb();
     if (getLangIdByName($aLangInfo['Name'])) {
         // language already exists
         return false;
     }
     $sLangName = $aLangInfo['Name'];
     $sLangFlag = $aLangInfo['Flag'];
     $sLangTitle = $aLangInfo['Title'];
     $sLangDir = isset($aLangInfo['Direction']) && $aLangInfo['Direction'] ? $aLangInfo['Direction'] : 'LTR';
     $sLangCountryCode = isset($aLangInfo['LanguageCountry']) && $aLangInfo['LanguageCountry'] ? $aLangInfo['LanguageCountry'] : $aLangInfo['Name'] . '_' . strtoupper($aLangInfo['Flag']);
     if (!$oDb->res("INSERT INTO `sys_localization_languages` VALUES (?, ?, ?, ?, ?, ?)", [NULL, $sLangName, $sLangFlag, $sLangTitle, $sLangDir, $sLangCountryCode])) {
         return false;
     }
     $iLangKey = $oDb->lastId();
     foreach ($aLanguage as $sKey => $sValue) {
         $sDbKey = $sKey;
         $sDbValue = $sValue;
         $iExistedKey = $oDb->getOne("SELECT `ID` FROM `sys_localization_keys` WHERE `Key` = ?", [$sDbKey]);
         if (!$iExistedKey) {
             // key is missing, insert new key
             if (!$oDb->res("INSERT INTO `sys_localization_keys` VALUES (NULL, ?, ?)", [BX_DOL_LANGUAGE_CATEGORY_SYSTEM, $sDbKey])) {
                 continue;
             }
             $iExistedKey = $oDb->lastId();
         }
         $oDb->res("INSERT INTO `sys_localization_strings` VALUES(?, ?, ?)", [$iExistedKey, $iLangKey, $sDbValue]);
     }
     return true;
 }