21:57:50 Write to Excel2007 format<br />21:57:50 File written to 33chartcreate-column.xlsx<br />21:57:50 Peak memory usage: 4 MB<br />21:57:50 Done writing file<br />File has been created in /home/factovizjh/presicote/vendor/phpoffice/phpexcel/Examples<br />