18:38:58 Write to Excel2007 format<br />18:38:58 File written to 33chartcreate-column-2.xlsx<br />18:38:58 Peak memory usage: 2 MB<br />18:38:58 Done writing file<br />File has been created in /var/www/html/elite-calinog/vendor/phpoffice/phpexcel/Examples<br />