20:37:14 Write to Excel2007 format<br />20:37:14 File written to 33chartcreate-multiple-charts.xlsx<br />20:37:14 Peak memory usage: 3.25 MB<br />20:37:14 Done writing file<br />File has been created in D:\www\rict\doh\vendor\phpoffice\phpexcel\Examples<br />