20:05:03 Create new PHPExcel object<br />20:05:03 Set document properties<br />20:05:03 Add data<br />20:05:03 Set data validation<br />20:05:03 Write to Excel5 format<br />20:05:03 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0074 seconds<br />20:05:03 Current memory usage: 1.75 MB<br />20:05:03 Peak memory usage: 1.75 MB<br />20:05:03 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />