09:01:38 Load from Excel2007 file<br />09:01:38 Update cell data values that are displayed in the chart<br />09:01:38 Write to Excel2007 format<br />09:01:38 File written to 34chartupdate.xlsx<br />09:01:38 Peak memory usage: 7.25 MB<br />09:01:38 Done writing file<br />File has been created in /var/www/igeotrack/vendor/phpoffice/phpexcel/Examples<br />