14:53:02 Create new PHPExcel object<br />14:53:02 Set document properties<br />14:53:02 Add data<br />14:53:02 Set data validation<br />14:53:02 Write to Excel2007 format<br />14:53:02 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0214 seconds<br />14:53:02 Current memory usage: 3.25 MB<br />14:53:02 Peak memory usage: 3.25 MB<br />14:53:02 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />