23:09:29 Write to Excel2007 format 23:09:29 File written to 33chartcreate-bar-stacked.xlsx 23:09:29 Peak memory usage: 6 MB 23:09:29 Done writing file File has been created in /home/lkunszfyonuq/crmtest.altsa.co.za/crm/vendor/phpoffice/phpexcel/Examples