21:31:33 Load from Excel2007 file<br />21:31:33 Update cell data values that are displayed in the chart<br />21:31:33 Write to Excel2007 format<br />21:31:33 File written to 34chartupdate.xlsx<br />21:31:33 Peak memory usage: 2 MB<br />21:31:33 Done writing file<br />File has been created in /home/myitalianu/itdepartment/vendor/phpoffice/phpexcel/Examples<br />