18:54:09 Write to Excel2007 format<br />18:54:09 File written to 33chartcreate-bar-stacked.xlsx<br />18:54:09 Peak memory usage: 1.75 MB<br />18:54:09 Done writing file<br />File has been created in /home/carespot/amazon.carespot.ro/vendor/phpoffice/phpexcel/Examples<br />