10:28:31 Create new PHPExcel object<br />10:28:31 Set document properties<br />10:28:31 Add data<br />10:28:31 Set data validation<br />10:28:31 Write to Excel2007 format<br />10:28:31 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0418 seconds<br />10:28:31 Current memory usage: 7 MB<br />10:28:31 Peak memory usage: 7 MB<br />10:28:31 Done writing file<br />File has been created in C:\wamp64\www\bo\vendor\phpoffice\phpexcel\Examples<br />