13:22:51 Create new PHPExcel object<br />13:22:51 Set document properties<br />13:22:51 Add data<br />13:22:51 Set data validation<br />13:22:51 Write to Excel2007 format<br />13:22:51 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0237 seconds<br />13:22:51 Current memory usage: 6 MB<br />13:22:51 Peak memory usage: 6 MB<br />13:22:51 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />