02:41:28 Create new PHPExcel object<br />02:41:28 Set document properties<br />02:41:28 Add data<br />02:41:28 Set data validation<br />02:41:28 Write to Excel2007 format<br />02:41:28 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0028 seconds<br />02:41:28 Current memory usage: 2 MB<br />02:41:28 Peak memory usage: 2 MB<br />02:41:28 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />