18:53:43 Load from Excel2007 file<br />18:53:43 Update cell data values that are displayed in the chart<br />18:53:43 Write to Excel2007 format<br />18:53:43 File written to 34chartupdate.xlsx<br />18:53:43 Peak memory usage: 6 MB<br />18:53:43 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />