15:29:24 Write to Excel2007 format<br />15:29:24 File written to 33chartcreate-column.xlsx<br />15:29:24 Peak memory usage: 6 MB<br />15:29:24 Done writing file<br />File has been created in /var/www/html/elite-san-juan/vendor/phpoffice/phpexcel/Examples<br />