16:53:10 Write to Excel2007 format<br />16:53:10 File written to 33chartcreate-multiple-charts.xlsx<br />16:53:10 Peak memory usage: 6.5 MB<br />16:53:10 Done writing file<br />File has been created in /var/www/loyalworld_160326.bk/loyalworld/vendor/phpoffice/phpexcel/Examples<br />