14:21:54 Write to Excel2007 format<br />14:21:55 File written to 33chartcreate-column.xlsx<br />14:21:55 Peak memory usage: 4.25 MB<br />14:21:55 Done writing file<br />File has been created in C:\xampp\htdocs\oa\vendor\phpoffice\phpexcel\Examples<br />