17:32:34 Create new PHPExcel object<br />17:32:34 Set document properties<br />Loading Africa<br />Loading Asia<br />Loading Europe<br />Loading North America<br />Loading Oceania<br />Loading South America<br />17:32:34 Write to Excel2007 format<br />17:32:34 File written to 39dropdown.xlsx<br />17:32:34 Peak memory usage: 6.25 MB<br />17:32:34 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />