16:56:01 Write to Excel2007 format<br />16:56:01 File written to 33chartcreate-multiple-charts.xlsx<br />16:56:01 Peak memory usage: 6 MB<br />16:56:01 Done writing file<br />File has been created in /var/www/www.foxymoon.cn/vendor/phpoffice/phpexcel/Examples<br />