23:27:20 Load from Excel2007 file<br />23:27:20 Update cell data values that are displayed in the chart<br />23:27:20 Write to Excel2007 format<br />23:27:20 File written to 34chartupdate.xlsx<br />23:27:20 Peak memory usage: 4.25 MB<br />23:27:20 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />