23:39:00 Write to Excel2007 format<br />23:39:00 File written to 33chartcreate-column.xlsx<br />23:39:00 Peak memory usage: 5.5 MB<br />23:39:00 Done writing file<br />File has been created in /home/sgpsenviroil/public_html/vendor/phpoffice/phpexcel/Examples<br />