private function setTableHeader($aElements, $bHeadersBreaked)
    {
        $aTableHeader = $aElements;
        if ($bHeadersBreaked) {
            $aTableHeader = $this->setArrayToArrayKbr($aElements);
        }
        $sReturn = [];
        foreach (array_keys($aTableHeader) as $value) {
            $sReturn[] = $this->setStringIntoTag($value, 'th');
        }
        return implode('', $sReturn);
    }