21:04:21 Write to Excel2007 format<br />21:04:21 File written to 33chartcreate-column-2.xlsx<br />21:04:21 Peak memory usage: 3.25 MB<br />21:04:21 Done writing file<br />File has been created in D:\www\rict\doh\vendor\phpoffice\phpexcel\Examples<br />