23:27:42 Create new PHPExcel object
23:27:42 Set document properties
23:27:42 Add some data
23:27:42 Add conditional formatting
23:27:42 Duplicate the conditional formatting across a range of cells
23:27:42 Write to Excel2007 format

Fatal error: Class 'ZipArchive' not found in /var/www/html/builders/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 227