16:41:00 Write to Excel2007 format<br />16:41:00 File written to 33chartcreate-multiple-charts.xlsx<br />16:41:00 Peak memory usage: 5.25 MB<br />16:41:00 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />