19:30:54 Load from Excel2007 file<br />19:30:54 Update cell data values that are displayed in the chart<br />19:30:54 Write to Excel2007 format<br />19:30:54 File written to 34chartupdate.xlsx<br />19:30:54 Peak memory usage: 4.75 MB<br />19:30:54 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />