13:39:47 Load from Excel2007 file<br />13:39:47 Update cell data values that are displayed in the chart<br />13:39:47 Write to Excel2007 format<br />13:39:47 File written to 34chartupdate.xlsx<br />13:39:47 Peak memory usage: 2 MB<br />13:39:47 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />