04:35:50 Create new PHPExcel object<br />04:35:50 Set document properties<br />04:35:50 Add data<br />04:35:50 Set data validation<br />04:35:50 Write to Excel2007 format<br />04:35:50 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0038 seconds<br />04:35:50 Current memory usage: 1.5 MB<br />04:35:50 Peak memory usage: 1.5 MB<br />04:35:50 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />