10:50:59 Create new PHPExcel object
10:50:59 Set document properties
10:50:59 Add some data
10:50:59 Set column widths
10:50:59 Add conditional formatting
10:50:59 Duplicate the conditional formatting across a range of cells
10:50:59 Set fonts
10:50:59 Set header/footer
10:50:59 Set page orientation and size
10:50:59 Rename worksheet
10:50:59 Write to Excel2007 format

Fatal error: Uncaught Error: Class 'ZipArchive' not found in /var/www/html/caritsan/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:227 Stack trace: #0 /var/www/html/caritsan/vendor/phpoffice/phpexcel/Examples/08conditionalformatting.php(163): PHPExcel_Writer_Excel2007->save('/var/www/html/c...') #1 {main} thrown in /var/www/html/caritsan/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 227