16:35:46 Load from Excel2007 file<br />16:35:46 Update cell data values that are displayed in the chart<br />16:35:46 Write to Excel2007 format<br />16:35:46 File written to 34chartupdate.xlsx<br />16:35:46 Peak memory usage: 2 MB<br />16:35:46 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />