21:18:24 Write to Excel2007 format<br />21:18:24 File written to 33chartcreate-composite.xlsx<br />21:18:24 Peak memory usage: 2 MB<br />21:18:24 Done writing file<br />File has been created in /home/myitalianu/itdepartment/vendor/phpoffice/phpexcel/Examples<br />