03:42:05 Write to Excel2007 format<br />03:42:05 File written to 33chartcreate-composite.xlsx<br />03:42:05 Peak memory usage: 4 MB<br />03:42:05 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />