13:09:12 Write to Excel2007 format<br />13:09:12 File written to 33chartcreate-column.xlsx<br />13:09:12 Peak memory usage: 5.5 MB<br />13:09:12 Done writing file<br />File has been created in /home/nutrica1/soft.nutricalcapp.com/vendor/phpoffice/phpexcel/Examples<br />