22:37:55 Write to Excel2007 format<br />22:37:55 File written to 33chartcreate-column.xlsx<br />22:37:55 Peak memory usage: 2 MB<br />22:37:55 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />