15:20:19 Create new PHPExcel object<br />15:20:19 Set document properties<br />15:20:19 Add data<br />15:20:19 Set data validation<br />15:20:19 Write to Excel5 format<br />15:20:19 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0134 seconds<br />15:20:19 Current memory usage: 6.25 MB<br />15:20:19 Peak memory usage: 6.25 MB<br />15:20:19 Done writing file<br />File has been created in /var/www/html/builders/vendor/phpoffice/phpexcel/Examples<br />