07:53:50 Write to Excel2007 format<br />07:53:51 File written to 33chartcreate-column.xlsx<br />07:53:51 Peak memory usage: 2 MB<br />07:53:51 Done writing file<br />File has been created in /home/ruqwxybg/myprivatedesk.c4-first.ch/vendor/phpoffice/phpexcel/Examples<br />