19:35:39 Create new PHPExcel object<br />19:35:39 Set document properties<br />19:35:39 Add data<br />19:35:39 Set data validation<br />19:35:39 Write to Excel2007 format<br />19:35:39 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0098 seconds<br />19:35:39 Current memory usage: 6 MB<br />19:35:39 Peak memory usage: 6 MB<br />19:35:39 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />