03:37:35 Create new PHPExcel object<br />03:37:35 Set document properties<br />03:37:35 Add data<br />03:37:35 Set data validation<br />03:37:35 Write to Excel5 format<br />03:37:35 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0116 seconds<br />03:37:35 Current memory usage: 2 MB<br />03:37:35 Peak memory usage: 2 MB<br />03:37:35 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />