23:12:16 Write to Excel2007 format<br />23:12:16 File written to 33chartcreate-column-2.xlsx<br />23:12:16 Peak memory usage: 4.25 MB<br />23:12:16 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />