15:52:16 Write to Excel2007 format<br />15:52:16 File written to 33chartcreate-column-2.xlsx<br />15:52:16 Peak memory usage: 4 MB<br />15:52:16 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />