09:18:31 Write to Excel2007 format<br />09:18:31 File written to 33chartcreate-column.xlsx<br />09:18:31 Peak memory usage: 6 MB<br />09:18:31 Done writing file<br />File has been created in /home/corpubc/public_html/SistemUBC/vendor/phpoffice/phpexcel/Examples<br />