protected function _toConvertToString( $aArray )
    {
        $sResult = date( "Y-m-d H:i:s", oxRegistry::get( "oxUtilsDate" )->getTime() ) . PHP_EOL;
        $sResult .= str_repeat( '=', 60 ) . PHP_EOL;

        foreach ( $aArray as $sKey => $sValue ) {
            $sResult .= " $sKey: $sValue" . PHP_EOL;
        }

        $sResult .= str_repeat( '=', 60 ) . PHP_EOL . PHP_EOL;

        return $sResult;
    }