06:49:26 Write to Excel2007 format<br />06:49:26 File written to 33chartcreate-bar-stacked.xlsx<br />06:49:26 Peak memory usage: 6 MB<br />06:49:26 Done writing file<br />File has been created in /home/teranbyt/public_html/invoice/vendor/phpoffice/phpexcel/Examples<br />