20:48:01 Load from Excel2007 file<br />20:48:01 Update cell data values that are displayed in the chart<br />20:48:01 Write to Excel2007 format<br />20:48:01 File written to 34chartupdate.xlsx<br />20:48:01 Peak memory usage: 1.75 MB<br />20:48:01 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />