15:29:09 Write to Excel2007 format<br />15:29:09 File written to 33chartcreate-column-2.xlsx<br />15:29:09 Peak memory usage: 6.25 MB<br />15:29:09 Done writing file<br />File has been created in D:\wwwroot\jzg\vendor\phpoffice\phpexcel\Examples<br />