21:11:09 Write to Excel2007 format<br />21:11:10 File written to 33chartcreate-column-2.xlsx<br />21:11:10 Peak memory usage: 2 MB<br />21:11:10 Done writing file<br />File has been created in C:\xampp\htdocs\crm\vendor\phpoffice\phpexcel\Examples<br />