15:59:07 Load from Excel2007 file<br />15:59:07 Update cell data values that are displayed in the chart<br />15:59:07 Write to Excel2007 format<br />15:59:07 File written to 34chartupdate.xlsx<br />15:59:07 Peak memory usage: 2 MB<br />15:59:07 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />