09:34:43 Write to Excel2007 format<br />09:34:43 File written to 33chartcreate-pie.xlsx<br />09:34:43 Peak memory usage: 2 MB<br />09:34:43 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />