19:12:51 Load from Excel2007 file<br />19:12:51 Update cell data values that are displayed in the chart<br />19:12:51 Write to Excel2007 format<br />19:12:51 File written to 34chartupdate.xlsx<br />19:12:51 Peak memory usage: 2 MB<br />19:12:51 Done writing file<br />File has been created in /var/www/mp/vendor/phpoffice/phpexcel/Examples<br />