18:19:44 Load from Excel2007 file<br />18:19:44 Update cell data values that are displayed in the chart<br />18:19:44 Write to Excel2007 format<br />18:19:44 File written to 34chartupdate.xlsx<br />18:19:44 Peak memory usage: 2 MB<br />18:19:44 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />