20:32:02 Write to Excel2007 format<br />20:32:02 File written to 33chartcreate-column-2.xlsx<br />20:32:02 Peak memory usage: 7.5 MB<br />20:32:02 Done writing file<br />File has been created in C:\wamp64\www\old_bo\bo\vendor\phpoffice\phpexcel\Examples<br />