13:53:54 Create new PHPExcel object<br />13:53:54 Set document properties<br />13:53:54 Add data<br />13:53:54 Set data validation<br />13:53:54 Write to Excel2007 format<br />13:53:54 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0236 seconds<br />13:53:54 Current memory usage: 4 MB<br />13:53:54 Peak memory usage: 4 MB<br />13:53:54 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />