20:20:26 Create new PHPExcel object<br />20:20:26 Set document properties<br />20:20:26 Add data<br />20:20:26 Set data validation<br />20:20:26 Write to Excel2007 format<br />20:20:26 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0237 seconds<br />20:20:26 Current memory usage: 2 MB<br />20:20:26 Peak memory usage: 2 MB<br />20:20:26 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />