23:17:09 Load from Excel2007 file<br />23:17:09 Update cell data values that are displayed in the chart<br />23:17:09 Write to Excel2007 format<br />23:17:10 File written to 34chartupdate.xlsx<br />23:17:10 Peak memory usage: 4 MB<br />23:17:10 Done writing file<br />File has been created in G:\myserver\www\shopee99\PHPExcel-1.8\Examples<br />