16:33:10 Write to Excel2007 format<br />16:33:10 File written to 33chartcreate-multiple-charts.xlsx<br />16:33:10 Peak memory usage: 6 MB<br />16:33:10 Done writing file<br />File has been created in /home/unidemmx/public_html/ControlUNIDEM/vendor/phpoffice/phpexcel/Examples<br />