10:34:38 Write to Excel2007 format<br />10:34:38 File written to 33chartcreate-column-2.xlsx<br />10:34:38 Peak memory usage: 7.5 MB<br />10:34:38 Done writing file<br />File has been created in C:\wamp64\www\bo\vendor\phpoffice\phpexcel\Examples<br />