00:21:56 Write to Excel2007 format<br />00:21:56 File written to 33chartcreate-column.xlsx<br />00:21:56 Peak memory usage: 1 MB<br />00:21:56 Done writing file<br />File has been created in d:\wwwroot\case\wwwroot\case5\simplewind\vendor\phpoffice\phpexcel\Examples<br />