12:51:31 Load from Excel2007 file
12:51:31 Update cell data values that are displayed in the chart
12:51:31 Write to Excel2007 format
12:51:31 File written to 34chartupdate.xlsx
12:51:31 Peak memory usage: 2 MB
12:51:31 Done writing file
File has been created in /home/gazipur/ray.gazipurcity.com/vendor/phpoffice/phpexcel/Examples