23:07:11 Write to Excel2007 format<br />23:07:11 File written to 33chartcreate-multiple-charts.xlsx<br />23:07:11 Peak memory usage: 5.25 MB<br />23:07:11 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />