02:37:38 Write to Excel2007 format<br />02:37:39 File written to 33chartcreate-column-2.xlsx<br />02:37:39 Peak memory usage: 6 MB<br />02:37:39 Done writing file<br />File has been created in /var/www/html/elite-calinog/vendor/phpoffice/phpexcel/Examples<br />