20:21:19 Load from Excel2007 file<br />20:21:19 Update cell data values that are displayed in the chart<br />20:21:19 Write to Excel2007 format<br />20:21:19 File written to 34chartupdate.xlsx<br />20:21:19 Peak memory usage: 4.5 MB<br />20:21:19 Done writing file<br />File has been created in /home/factovizjh/presicote_test/vendor/phpoffice/phpexcel/Examples<br />