10:25:59 Create new PHPExcel object<br />10:25:59 Set document properties<br />10:25:59 Add data<br />10:25:59 Set data validation<br />10:25:59 Write to Excel2007 format<br />10:25:59 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0696 seconds<br />10:25:59 Current memory usage: 4 MB<br />10:25:59 Peak memory usage: 4 MB<br />10:25:59 Done writing file<br />File has been created in C:\xampp\htdocs\backend\vendor\phpoffice\phpexcel\Examples<br />