18:22:31 Create new PHPExcel object<br />18:22:31 Set document properties<br />18:22:31 Add data<br />18:22:31 Set data validation<br />18:22:31 Write to Excel2007 format<br />18:22:31 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0071 seconds<br />18:22:31 Current memory usage: 1.75 MB<br />18:22:31 Peak memory usage: 1.75 MB<br />18:22:31 Done writing file<br />File has been created in /var/www/wu1n/vendor/phpoffice/phpexcel/Examples<br />