15:39:17 Load from Excel2007 file<br />15:39:17 Update cell data values that are displayed in the chart<br />15:39:17 Write to Excel2007 format<br />15:39:17 File written to 34chartupdate.xlsx<br />15:39:17 Peak memory usage: 2 MB<br />15:39:17 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />