18:39:00 Write to Excel2007 format
18:39:00 File written to 33chartcreate-bar-stacked.xlsx
18:39:00 Peak memory usage: 4.75 MB
18:39:00 Done writing file
File has been created in /home/diamebua/beta/releases/20140218040015/shared/vendor/phpoffice/phpexcel/Examples