protected function setHeader(PHPExcel_Worksheet $activeSheet, $headers, $rightColumn = null) { $rightColumn = parent::setHeader($activeSheet, $headers, $rightColumn); $activeSheet->getStyle($rightColumn . '11:' . $rightColumn . '12')->applyFromArray(array('font' => array('color' => array('rgb' => '00b050')), 'numberformat' => array('code' => self::FORMAT_NUMBER_SEPARATED))); }