12:14:29 Load from Excel2007 file<br />12:14:29 Update cell data values that are displayed in the chart<br />12:14:29 Write to Excel2007 format<br />12:14:29 File written to 34chartupdate.xlsx<br />12:14:29 Peak memory usage: 1 MB<br />12:14:29 Done writing file<br />File has been created in /home/bjgrgao/www/cuaderno/PHPExcel_1/Examples<br />