19:39:02 Load from Excel2007 file<br />19:39:03 Update cell data values that are displayed in the chart<br />19:39:03 Write to Excel2007 format<br />19:39:03 File written to 34chartupdate.xlsx<br />19:39:03 Peak memory usage: 4.25 MB<br />19:39:03 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />