18:52:27 Load from Excel2007 file<br />18:52:27 Update cell data values that are displayed in the chart<br />18:52:27 Write to Excel2007 format<br />18:52:27 File written to 34chartupdate.xlsx<br />18:52:27 Peak memory usage: 4.75 MB<br />18:52:27 Done writing file<br />File has been created in D:\whospost\dv\vendor\phpoffice\phpexcel\Examples<br />