04:59:40 Create new PHPExcel object
04:59:40 Set document properties
04:59:40 Add some data
04:59:40 Sum of Range #1 is 23
04:59:40 Sum of Range #2 is 33
04:59:40 Sum of both Ranges is 56
04:59:40 Minimum value in either Range is 3
04:59:40 Maximum value in either Range is 17
04:59:40 Average value of both Ranges is 9.333333333333334
04:59:40 Rename worksheet
04:59:40 Write to Excel2007 format

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Fatal error: Uncaught PHPExcel_Writer_Exception: Could not close zip file /var/www/public_html/sites-beta/descomplica/src/web/vendor/phpoffice/phpexcel/Examples/03formulas.xlsx. in /var/www/public_html/sites-beta/descomplica/src/web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/public_html/sites-beta/descomplica/src/web/vendor/phpoffice/phpexcel/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007->save('/var/www/public...') #1 {main} thrown in /var/www/public_html/sites-beta/descomplica/src/web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399