16:16:15 Load from Excel2007 file<br />16:16:15 Update cell data values that are displayed in the chart<br />16:16:15 Write to Excel2007 format<br />16:16:15 File written to 34chartupdate.xlsx<br />16:16:15 Peak memory usage: 4 MB<br />16:16:15 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />