11:50:20 Load from Excel2007 file<br />11:50:20 Update cell data values that are displayed in the chart<br />11:50:20 Write to Excel2007 format<br />11:50:20 File written to 34chartupdate.xlsx<br />11:50:20 Peak memory usage: 4.75 MB<br />11:50:20 Done writing file<br />File has been created in /home/factovizjh/opinion-way.pl/vendor/phpoffice/phpexcel/Examples<br />