15:20:21 Write to Excel2007 format<br />15:20:21 File written to 33chartcreate-composite.xlsx<br />15:20:21 Peak memory usage: 4 MB<br />15:20:21 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />