19:26:15 Load from Excel2007 file<br />19:26:15 Update cell data values that are displayed in the chart<br />19:26:15 Write to Excel2007 format<br />19:26:15 File written to 34chartupdate.xlsx<br />19:26:15 Peak memory usage: 4 MB<br />19:26:15 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />