14:57:35 Write to Excel2007 format<br />14:57:35 File written to 33chartcreate-column-2.xlsx<br />14:57:35 Peak memory usage: 6.75 MB<br />14:57:35 Done writing file<br />File has been created in /var/www/dolphinJuly25/dolphin/vendor/phpoffice/phpexcel/Examples<br />