08:56:25 Write to Excel2007 format<br />08:56:25 File written to 33chartcreate-column-2.xlsx<br />08:56:25 Peak memory usage: 4.5 MB<br />08:56:25 Done writing file<br />File has been created in /var/www/spstest/vendor/phpoffice/phpexcel/Examples<br />