20:31:21 Create new PHPExcel object<br />20:31:25 Set document properties<br />20:31:25 Add data<br />20:31:25 Set data validation<br />20:31:25 Write to Excel2007 format<br />20:31:29 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 4.0955 seconds<br />20:31:29 Current memory usage: 7 MB<br />20:31:29 Peak memory usage: 7 MB<br />20:31:29 Done writing file<br />File has been created in C:\wamp64\www\old_bo\bo\vendor\phpoffice\phpexcel\Examples<br />