12:21:12 Load from Excel2007 file<br />12:21:12 Update cell data values that are displayed in the chart<br />12:21:12 Write to Excel2007 format<br />12:21:12 File written to 34chartupdate.xlsx<br />12:21:12 Peak memory usage: 14 MB<br />12:21:12 Done writing file<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />