13:44:16 Create new PHPExcel object<br />13:44:16 Set document properties<br />13:44:16 Add data<br />13:44:16 Set data validation<br />13:44:16 Write to Excel2007 format<br />13:44:16 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0123 seconds<br />13:44:16 Current memory usage: 6 MB<br />13:44:16 Peak memory usage: 6 MB<br />13:44:16 Done writing file<br />File has been created in /var/www/kd/vendor/phpoffice/phpexcel/Examples<br />