21:37:39 Load from Excel2007 file<br />21:37:39 Update cell data values that are displayed in the chart<br />21:37:39 Write to Excel2007 format<br />21:37:39 File written to 34chartupdate.xlsx<br />21:37:39 Peak memory usage: 2 MB<br />21:37:39 Done writing file<br />File has been created in /var/www/html/advancia_ci/vendor/phpoffice/phpexcel/Examples<br />