13:31:21 Write to Excel2007 format<br />13:31:21 File written to 33chartcreate-column.xlsx<br />13:31:21 Peak memory usage: 6 MB<br />13:31:21 Done writing file<br />File has been created in /var/www/html/elite-umingan/vendor/phpoffice/phpexcel/Examples<br />