21:24:29 Load from Excel2007 file<br />21:24:29 Update cell data values that are displayed in the chart<br />21:24:29 Write to Excel2007 format<br />21:24:29 File written to 34chartupdate.xlsx<br />21:24:29 Peak memory usage: 6 MB<br />21:24:29 Done writing file<br />File has been created in /home/htdocs/zhyl/vendor/PHPExcel/Examples<br />