18:57:59 Load from Excel2007 file<br />18:57:59 Update cell data values that are displayed in the chart<br />18:57:59 Write to Excel2007 format<br />18:57:59 File written to 34chartupdate.xlsx<br />18:57:59 Peak memory usage: 6 MB<br />18:57:59 Done writing file<br />File has been created in /home/www/bushmediatt.com/demo/pos/vendor/phpoffice/phpexcel/Examples<br />