19:25:20 Load from Excel2007 file<br />19:25:20 Update cell data values that are displayed in the chart<br />19:25:20 Write to Excel2007 format<br />19:25:20 File written to 34chartupdate.xlsx<br />19:25:20 Peak memory usage: 4.5 MB<br />19:25:20 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />