02:38:43 Create new PHPExcel object
02:38:43 Set document properties
02:38:43 Add some data
02:38:43 Sum of Range #1 is 23
02:38:43 Sum of Range #2 is 33
02:38:43 Sum of both Ranges is 56
02:38:43 Minimum value in either Range is 3
02:38:43 Maximum value in either Range is 17
02:38:43 Average value of both Ranges is 9.3333333333333
02:38:43 Rename worksheet
02:38:43 Write to Excel2007 format

Fatal error: Uncaught Error: Class 'ZipArchive' not found in /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:220 Stack trace: #0 /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007->save('/home/zxun/publ...') #1 {main} thrown in /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 220