12:31:13 Write to Excel2007 format<br />12:31:13 File written to 33chartcreate-column-2.xlsx<br />12:31:13 Peak memory usage: 6 MB<br />12:31:13 Done writing file<br />File has been created in /home/app/htdocs/lidia/vendor/phpoffice/phpexcel/Examples<br />