17:03:30 Load from Excel2007 file<br />17:03:30 Update cell data values that are displayed in the chart<br />17:03:30 Write to Excel2007 format<br />17:03:30 File written to 34chartupdate.xlsx<br />17:03:30 Peak memory usage: 4 MB<br />17:03:30 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />