18:56:10 Create new PHPExcel object<br />18:56:10 Set document properties<br />18:56:10 Add data<br />18:56:10 Set data validation<br />18:56:10 Write to Excel5 format<br />18:56:10 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0129 seconds<br />18:56:10 Current memory usage: 6.5 MB<br />18:56:10 Peak memory usage: 6.5 MB<br />18:56:10 Done writing file<br />File has been created in /var/www/nizamuddin/vendor/phpoffice/phpexcel/Examples<br />