20:37:01 Write to Excel2007 format<br />20:37:01 File written to 33chartcreate-column.xlsx<br />20:37:01 Peak memory usage: 4 MB<br />20:37:01 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />