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