16:21:30 Load from Excel2007 file<br />16:21:30 Update cell data values that are displayed in the chart<br />16:21:30 Write to Excel2007 format<br />16:21:30 File written to 34chartupdate.xlsx<br />16:21:30 Peak memory usage: 4.75 MB<br />16:21:30 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />