19:15:14 Load from Excel2007 file<br />19:15:14 Update cell data values that are displayed in the chart<br />19:15:14 Write to Excel2007 format<br />19:15:14 File written to 34chartupdate.xlsx<br />19:15:14 Peak memory usage: 4.25 MB<br />19:15:14 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />