11:25:57 Create new PHPExcel object<br />11:25:57 Set document properties<br />11:25:57 Add data<br />11:25:57 Set data validation<br />11:25:57 Write to Excel2007 format<br />11:25:57 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0421 seconds<br />11:25:57 Current memory usage: 2 MB<br />11:25:57 Peak memory usage: 2 MB<br />11:25:57 Done writing file<br />File has been created in E:\item\vm\vendor\phpoffice\phpexcel\Examples<br />