15:09:50 Create new PHPExcel object
15:09:50 Set document properties
15:09:50 Add some data
15:09:50 Sum of Range #1 is 23
15:09:50 Sum of Range #2 is 33
15:09:50 Sum of both Ranges is 56
15:09:50 Minimum value in either Range is 3
15:09:50 Maximum value in either Range is 17
15:09:50 Average value of both Ranges is 9.333333333333334
15:09:50 Rename worksheet
15:09:50 Write to Excel2007 format
Fatal error: Uncaught Error: Class 'ZipArchive' not found in /var/www/html/academico/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:227
Stack trace:
#0 /var/www/html/academico/vendor/phpoffice/phpexcel/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007->save('/var/www/html/a...')
#1 {main}
thrown in /var/www/html/academico/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 227