01:38:03 Write to Excel2007 format<br />01:38:03 File written to 33chartcreate-column.xlsx<br />01:38:03 Peak memory usage: 6.25 MB<br />01:38:03 Done writing file<br />File has been created in D:\xampp\htdocs\dmmc\dmmc.back0118\vendor\phpoffice\phpexcel\Examples<br />