03:11:02 Write to Excel2007 format<br />03:11:02 File written to 33chartcreate-column.xlsx<br />03:11:02 Peak memory usage: 2 MB<br />03:11:02 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />