15:11:11 Load from Excel2007 file<br />15:11:11 Update cell data values that are displayed in the chart<br />15:11:11 Write to Excel2007 format<br />15:11:11 File written to 34chartupdate.xlsx<br />15:11:11 Peak memory usage: 12 MB<br />15:11:11 Done writing file<br />File has been created in /home/ykcomq5/eservices.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />