18:57:03 Write to Excel2007 format<br />18:57:03 File written to 33chartcreate-multiple-charts.xlsx<br />18:57:03 Peak memory usage: 2.5 MB<br />18:57:03 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />