02:49:07 Write to Excel2007 format<br />02:49:07 File written to 33chartcreate-column-2.xlsx<br />02:49:07 Peak memory usage: 4 MB<br />02:49:07 Done writing file<br />File has been created in C:\xampp\htdocs\backend\vendor\phpoffice\phpexcel\Examples<br />