09:46:11 Write to Excel2007 format<br />09:46:11 File written to 33chartcreate-column.xlsx<br />09:46:11 Peak memory usage: 2 MB<br />09:46:11 Done writing file<br />File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples<br />