16:06:22 Write to Excel2007 format<br />16:06:22 File written to 33chartcreate-column-2.xlsx<br />16:06:22 Peak memory usage: 5.5 MB<br />16:06:22 Done writing file<br />File has been created in /home/cambodm5/public_html/pt/app/vendor/phpoffice/phpexcel/Examples<br />