23:31:33 Write to Excel2007 format<br />23:31:33 File written to 33chartcreate-multiple-charts.xlsx<br />23:31:33 Peak memory usage: 6 MB<br />23:31:33 Done writing file<br />File has been created in /var/www/html/elite-smart-tech/vendor/phpoffice/phpexcel/Examples<br />