19:31:02 Create new PHPExcel object<br />19:31:02 Set document properties<br />19:31:02 Add data<br />19:31:02 Set data validation<br />19:31:02 Write to Excel5 format<br />19:31:02 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0018 seconds<br />19:31:02 Current memory usage: 2 MB<br />19:31:02 Peak memory usage: 2 MB<br />19:31:02 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />