00:30:07 Write to Excel2007 format<br />00:30:07 File written to 33chartcreate-bar-stacked.xlsx<br />00:30:07 Peak memory usage: 2 MB<br />00:30:07 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />