18:15:03 Write to Excel2007 format<br />18:15:03 File written to 33chartcreate-line.xlsx<br />18:15:03 Peak memory usage: 4 MB<br />18:15:03 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />