12:31:43 Load from Excel2007 file<br />12:31:43 Update cell data values that are displayed in the chart<br />12:31:43 Write to Excel2007 format<br />12:31:43 File written to 34chartupdate.xlsx<br />12:31:43 Peak memory usage: 3.75 MB<br />12:31:43 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />