/**
  * A private method that writes out the new OpenX settings configuration
  * file after migrating over the admin account's preferences that have
  * now been changed into settings.
  *
  * @access private
  * @return boolean True if the config file is successfully written,
  *                 otherwise, false.
  */
 function _writeSettings()
 {
     $oConfiguration = new OA_Upgrade_Config();
     foreach ($this->aConfMap as $section => $aPairs) {
         foreach ($aPairs as $key => $value) {
             $value = $this->aConfNew[$section][$key];
             $oConfiguration->setValue($section, $key, $value);
         }
     }
     return $oConfiguration->writeConfig();
 }