19:10:27 Write to Excel2007 format<br />19:10:27 File written to 33chartcreate-multiple-charts.xlsx<br />19:10:27 Peak memory usage: 6 MB<br />19:10:27 Done writing file<br />File has been created in /home/uniem/public_html/SUNIEM/vendor/phpoffice/phpexcel/Examples<br />