11:39:00 Write to Excel2007 format<br />11:39:00 File written to 33chartcreate-column-2.xlsx<br />11:39:00 Peak memory usage: 4 MB<br />11:39:00 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />