14:02:57 Create new PHPExcel object<br />14:02:57 Set document properties<br />14:02:57 Add data<br />14:02:57 Set data validation<br />14:02:57 Write to Excel5 format<br />14:02:57 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0102 seconds<br />14:02:57 Current memory usage: 6.25 MB<br />14:02:57 Peak memory usage: 6.25 MB<br />14:02:57 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />