18:17:20 Write to Excel2007 format<br />18:17:20 File written to 33chartcreate-column.xlsx<br />18:17:20 Peak memory usage: 6 MB<br />18:17:20 Done writing file<br />File has been created in /home/lkunszfyonuq/crmtest.altsa.co.za/crm/vendor/phpoffice/phpexcel/Examples<br />