20:36:15 Write to Excel2007 format<br />20:36:15 File written to 33chartcreate-stock.xlsx<br />20:36:15 Peak memory usage: 4 MB<br />20:36:15 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />