09:58:24 Write to Excel2007 format<br />09:58:24 File written to 33chartcreate-bar-stacked.xlsx<br />09:58:24 Peak memory usage: 2 MB<br />09:58:24 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />