15:04:26 Create new PHPExcel object<br />15:04:26 Set document properties<br />15:04:26 Add data<br />15:04:26 Set data validation<br />15:04:26 Write to Excel2007 format<br />15:04:26 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0296 seconds<br />15:04:26 Current memory usage: 4 MB<br />15:04:26 Peak memory usage: 4 MB<br />15:04:26 Done writing file<br />File has been created in /home/admision/public_html/POSTGRADO/vendor/phpoffice/phpexcel/Examples<br />