23:18:41 Write to Excel2007 format<br />23:18:41 File written to 33chartcreate-column-2.xlsx<br />23:18:41 Peak memory usage: 5.25 MB<br />23:18:41 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />