14:22:01 Write to Excel2007 format<br />14:22:01 File written to 33chartcreate-column.xlsx<br />14:22:01 Peak memory usage: 4 MB<br />14:22:01 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />