22:57:45 Write to Excel2007 format<br />22:57:45 File written to 33chartcreate-multiple-charts.xlsx<br />22:57:45 Peak memory usage: 5.25 MB<br />22:57:45 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />