21:04:44 Create new PHPExcel object<br />21:04:44 Set document properties<br />21:04:44 Add data<br />21:04:44 Set data validation<br />21:04:44 Write to Excel2007 format<br />21:04:44 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0237 seconds<br />21:04:44 Current memory usage: 6 MB<br />21:04:44 Peak memory usage: 6 MB<br />21:04:44 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />