09:27:31 Load from Excel2007 file<br />09:27:31 Update cell data values that are displayed in the chart<br />09:27:31 Write to Excel2007 format<br />09:27:31 File written to 34chartupdate.xlsx<br />09:27:31 Peak memory usage: 4 MB<br />09:27:31 Done writing file<br />File has been created in /var/www/html/laravel/vendor/phpoffice/phpexcel/Examples<br />