17:18:40 Create new PHPExcel object<br />17:18:40 Set document properties<br />17:18:40 Add data<br />17:18:40 Set data validation<br />17:18:40 Write to Excel5 format<br />17:18:40 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0352 seconds<br />17:18:40 Current memory usage: 6.5 MB<br />17:18:40 Peak memory usage: 6.5 MB<br />17:18:40 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />