18:27:13 Write to Excel2007 format<br />18:27:13 File written to 33chartcreate-bar-stacked.xlsx<br />18:27:13 Peak memory usage: 2 MB<br />18:27:13 Done writing file<br />File has been created in /home/acadexam/edu.acadexam.ru/vendor/phpoffice/phpexcel/Examples<br />