/** Рекурсивное копирование из $path_from в $path_to **/
 public static function __CopyDirFiles($path_from, $path_to, &$strError, $bSkipUpdater = True)
 {
     $strError_tmp = "";
     while (strlen($path_from) > 1 && $path_from[strlen($path_from) - 1] == "/") {
         $path_from = substr($path_from, 0, strlen($path_from) - 1);
     }
     while (strlen($path_to) > 1 && $path_to[strlen($path_to) - 1] == "/") {
         $path_to = substr($path_to, 0, strlen($path_to) - 1);
     }
     if (strpos($path_to . "/", $path_from . "/") === 0) {
         $strError_tmp .= "[UCDF01] " . GetMessage("SUPP_CDF_SELF_COPY") . ". ";
     }
     if (strlen($strError_tmp) <= 0) {
         if (!file_exists($path_from)) {
             $strError_tmp .= "[UCDF02] " . str_replace("#FILE#", $path_from, GetMessage("SUPP_CDF_NO_PATH")) . ". ";
         }
     }
     if (strlen($strError_tmp) <= 0) {
         $strongUpdateCheck = COption::GetOptionString("main", "strong_update_check", "Y");
         if (is_dir($path_from)) {
             CUpdateClientPartner::__CheckDirPath($path_to . "/");
             if (!file_exists($path_to) || !is_dir($path_to)) {
                 $strError_tmp .= "[UCDF03] " . str_replace("#FILE#", $path_to, GetMessage("SUPP_CDF_CANT_CREATE")) . ". ";
             } elseif (!is_writable($path_to)) {
                 $strError_tmp .= "[UCDF04] " . str_replace("#FILE#", $path_to, GetMessage("SUPP_CDF_CANT_WRITE")) . ". ";
             }
             if (strlen($strError_tmp) <= 0) {
                 if ($handle = @opendir($path_from)) {
                     while (($file = readdir($handle)) !== false) {
                         if ($file == "." || $file == "..") {
                             continue;
                         }
                         if ($bSkipUpdater && substr($file, 0, strlen("updater")) == "updater") {
                             continue;
                         }
                         if (is_dir($path_from . "/" . $file)) {
                             CUpdateClientPartner::__CopyDirFiles($path_from . "/" . $file, $path_to . "/" . $file, $strError_tmp);
                         } elseif (is_file($path_from . "/" . $file)) {
                             if (file_exists($path_to . "/" . $file) && !is_writable($path_to . "/" . $file)) {
                                 $strError_tmp .= "[UCDF05] " . str_replace("#FILE#", $path_to . "/" . $file, GetMessage("SUPP_CDF_CANT_FILE")) . ". ";
                             } else {
                                 if ($strongUpdateCheck == "Y") {
                                     $crc32_old = dechex(crc32(file_get_contents($path_from . "/" . $file)));
                                 }
                                 @copy($path_from . "/" . $file, $path_to . "/" . $file);
                                 @chmod($path_to . "/" . $file, BX_FILE_PERMISSIONS);
                                 if ($strongUpdateCheck == "Y") {
                                     $crc32_new = dechex(crc32(file_get_contents($path_to . "/" . $file)));
                                     if ($crc32_new != $crc32_old) {
                                         $strError_tmp .= "[UCDF061] " . str_replace("#FILE#", $path_to . "/" . $file, GetMessage("SUPP_UGA_FILE_CRUSH")) . ". ";
                                     }
                                 }
                             }
                         }
                     }
                     @closedir($handle);
                 }
             }
         } else {
             $p = CUpdateClientPartner::__bxstrrpos($path_to, "/");
             $path_to_dir = substr($path_to, 0, $p);
             CUpdateClientPartner::__CheckDirPath($path_to_dir . "/");
             if (!file_exists($path_to_dir) || !is_dir($path_to_dir)) {
                 $strError_tmp .= "[UCDF06] " . str_replace("#FILE#", $path_to_dir, GetMessage("SUPP_CDF_CANT_FOLDER")) . ". ";
             } elseif (!is_writable($path_to_dir)) {
                 $strError_tmp .= "[UCDF07] " . str_replace("#FILE#", $path_to_dir, GetMessage("SUPP_CDF_CANT_FOLDER_WR")) . ". ";
             }
             if (strlen($strError_tmp) <= 0) {
                 if ($strongUpdateCheck == "Y") {
                     $crc32_old = dechex(crc32(file_get_contents($path_from)));
                 }
                 @copy($path_from, $path_to);
                 @chmod($path_to, BX_FILE_PERMISSIONS);
                 if ($strongUpdateCheck == "Y") {
                     $crc32_new = dechex(crc32(file_get_contents($path_to)));
                     if ($crc32_new != $crc32_old) {
                         $strError_tmp .= "[UCDF0611] " . str_replace("#FILE#", $path_to, GetMessage("SUPP_UGA_FILE_CRUSH")) . ". ";
                     }
                 }
             }
         }
     }
     if (strlen($strError_tmp) > 0) {
         CUpdateClientPartner::AddMessage2Log($strError_tmp, "CUCDF");
         $strError .= $strError_tmp;
         return False;
     } else {
         return True;
     }
 }