15:28:06 Write to Excel2007 format<br />15:28:06 File written to 33chartcreate-multiple-charts.xlsx<br />15:28:06 Peak memory usage: 4 MB<br />15:28:06 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />