14:00:57 Create new PHPExcel object<br />14:00:57 Set document properties<br />Loading Africa<br />Loading Asia<br />Loading Europe<br />Loading North America<br />Loading Oceania<br />Loading South America<br />14:00:57 Write to Excel2007 format<br />14:00:57 File written to 39dropdown.xlsx<br />14:00:57 Peak memory usage: 6.25 MB<br />14:00:57 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />