12:22:43 Write to Excel2007 format<br />12:22:43 File written to 33chartcreate-column.xlsx<br />12:22:43 Peak memory usage: 2 MB<br />12:22:43 Done writing file<br />File has been created in /home/ruqwxybg/myprivatedesk.c4-first.ch/vendor/phpoffice/phpexcel/Examples<br />