08:22:57 Load from Excel2007 file<br />08:22:57 Update cell data values that are displayed in the chart<br />08:22:57 Write to Excel2007 format<br />08:22:57 File written to 34chartupdate.xlsx<br />08:22:57 Peak memory usage: 6 MB<br />08:22:57 Done writing file<br />File has been created in G:\myserver\www\inv\PHPExcel-1.8\Examples<br />