09:14:03 Write to Excel2007 format<br />09:14:03 File written to 33chartcreate-column-2.xlsx<br />09:14:03 Peak memory usage: 4 MB<br />09:14:03 Done writing file<br />File has been created in /home/factovizjh/podcast/vendor/phpoffice/phpexcel/Examples<br />