02:36:40 Write to Excel2007 format<br />02:36:40 File written to 33chartcreate-column.xlsx<br />02:36:40 Peak memory usage: 4 MB<br />02:36:40 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />