17:24:56 Load from Excel2007 file<br />17:24:56 Update cell data values that are displayed in the chart<br />17:24:56 Write to Excel2007 format<br />17:24:56 File written to 34chartupdate.xlsx<br />17:24:56 Peak memory usage: 7.5 MB<br />17:24:56 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />