20:51:58 Load from Excel2007 file<br />20:51:58 Update cell data values that are displayed in the chart<br />20:51:58 Write to Excel2007 format<br />20:51:58 File written to 34chartupdate.xlsx<br />20:51:58 Peak memory usage: 2 MB<br />20:51:58 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />