09:59:27 Create new PHPExcel object
09:59:27 Set document properties
09:59:27 Add some data
09:59:27 Sum of Range #1 is 23
09:59:27 Sum of Range #2 is 33
09:59:27 Sum of both Ranges is 56
09:59:27 Minimum value in either Range is 3
09:59:27 Maximum value in either Range is 17
09:59:27 Average value of both Ranges is 9.333333333333334
09:59:27 Rename worksheet
09:59:27 Write to Excel2007 format

Fatal error: Uncaught Error: Class 'ZipArchive' not found in /home/git/www/eims-new/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:227 Stack trace: #0 /home/git/www/eims-new/vendor/phpoffice/phpexcel/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007->save('/home/git/www/e...') #1 {main} thrown in /home/git/www/eims-new/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 227