09:40:54 Load from Excel2007 file<br />09:40:54 Update cell data values that are displayed in the chart<br />09:40:54 Write to Excel2007 format<br />09:40:54 File written to 34chartupdate.xlsx<br />09:40:54 Peak memory usage: 6 MB<br />09:40:54 Done writing file<br />File has been created in /var/www/html/add/qilan/laravel/vendor/phpoffice/phpexcel/Examples<br />