16:35:05 Write to Excel2007 format<br />16:35:05 File written to 33chartcreate-multiple-charts.xlsx<br />16:35:05 Peak memory usage: 5.25 MB<br />16:35:05 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />