08:06:31 Load from Excel2007 file<br />08:06:31 Update cell data values that are displayed in the chart<br />08:06:31 Write to Excel2007 format<br />08:06:31 File written to 34chartupdate.xlsx<br />08:06:31 Peak memory usage: 4 MB<br />08:06:31 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />