01:12:22 Write to Excel2007 format<br />01:12:22 File written to 33chartcreate-column.xlsx<br />01:12:22 Peak memory usage: 6 MB<br />01:12:22 Done writing file<br />File has been created in /var/www/html/elite-smart-tech/vendor/phpoffice/phpexcel/Examples<br />