21:37:29 Load from Excel2007 file<br />21:37:29 Update cell data values that are displayed in the chart<br />21:37:29 Write to Excel2007 format<br />21:37:29 File written to 34chartupdate.xlsx<br />21:37:29 Peak memory usage: 4.25 MB<br />21:37:29 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />