10:04:24 Load from Excel2007 file<br />10:04:24 Update cell data values that are displayed in the chart<br />10:04:24 Write to Excel2007 format<br />10:04:24 File written to 34chartupdate.xlsx<br />10:04:24 Peak memory usage: 4.75 MB<br />10:04:24 Done writing file<br />File has been created in D:\phpStudy\WWW\newfile\newExcel2\PHPExcel\Examples<br />