21:03:48 Write to Excel2007 format<br />21:03:48 File written to 33chartcreate-multiple-charts.xlsx<br />21:03:48 Peak memory usage: 3.25 MB<br />21:03:48 Done writing file<br />File has been created in D:\www\rict\protect\vendor\phpoffice\phpexcel\Examples<br />