23:35:07 Write to Excel2007 format<br />23:35:07 File written to 33chartcreate-column-2.xlsx<br />23:35:07 Peak memory usage: 2 MB<br />23:35:07 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />