21:37:03 Load from Excel2007 file<br />21:37:03 Update cell data values that are displayed in the chart<br />21:37:03 Write to Excel2007 format<br />21:37:03 File written to 34chartupdate.xlsx<br />21:37:03 Peak memory usage: 4 MB<br />21:37:03 Done writing file<br />File has been created in /var/www/html/preuc/vendor/phpoffice/phpexcel/Examples<br />