18:06:56 Write to Excel2007 format<br />18:06:56 File written to 33chartcreate-multiple-charts.xlsx<br />18:06:56 Peak memory usage: 4 MB<br />18:06:56 Done writing file<br />File has been created in /home/wtogroup/wtogroup.com/vendor/phpoffice/phpexcel/Examples<br />