18:52:54 Write to Excel2007 format<br />18:52:54 File written to 33chartcreate-multiple-charts.xlsx<br />18:52:54 Peak memory usage: 6.5 MB<br />18:52:54 Done writing file<br />File has been created in /var/www/dolphinJuly25/dolphin/vendor/phpoffice/phpexcel/Examples<br />