19:22:29 Load from Excel2007 file<br />19:22:29 Update cell data values that are displayed in the chart<br />19:22:29 Write to Excel2007 format<br />19:22:29 File written to 34chartupdate.xlsx<br />19:22:29 Peak memory usage: 6.5 MB<br />19:22:29 Done writing file<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples<br />