18:14:12 Write to Excel2007 format<br />18:14:12 File written to 33chartcreate-column.xlsx<br />18:14:12 Peak memory usage: 2 MB<br />18:14:12 Done writing file<br />File has been created in /var/www/html/elite-calinog/vendor/phpoffice/phpexcel/Examples<br />