12:53:20 Load from Excel2007 file<br />12:53:20 Update cell data values that are displayed in the chart<br />12:53:20 Write to Excel2007 format<br />12:53:20 File written to 34chartupdate.xlsx<br />12:53:20 Peak memory usage: 6 MB<br />12:53:20 Done writing file<br />File has been created in G:\myserver\www\shopee\PHPExcel-1.8\Examples<br />