12:53:12 Create new PHPExcel object<br />12:53:12 Set document properties<br />12:53:12 Add data<br />12:53:12 Set data validation<br />12:53:12 Write to Excel2007 format<br />12:53:12 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0148 seconds<br />12:53:12 Current memory usage: 2 MB<br />12:53:12 Peak memory usage: 2 MB<br />12:53:12 Done writing file<br />File has been created in /home/gazipur/ray.gazipurcity.com/vendor/phpoffice/phpexcel/Examples<br />