12:16:06 Load from Excel2007 file<br />12:16:06 Update cell data values that are displayed in the chart<br />12:16:06 Write to Excel2007 format<br />12:16:06 File written to 34chartupdate.xlsx<br />12:16:06 Peak memory usage: 4.5 MB<br />12:16:06 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />