18:26:28 Load from Excel2007 file<br />18:26:28 Update cell data values that are displayed in the chart<br />18:26:28 Write to Excel2007 format<br />18:26:28 File written to 34chartupdate.xlsx<br />18:26:28 Peak memory usage: 1 MB<br />18:26:28 Done writing file<br />File has been created in /home/bjgrgao/www/cuaderno/PHPExcel_1/Examples<br />