12:02:53 Create new PHPExcel object<br />12:02:53 Set document properties<br />12:02:53 Add data<br />12:02:53 Set data validation<br />12:02:53 Write to Excel2007 format<br />12:02:53 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0223 seconds<br />12:02:53 Current memory usage: 5.75 MB<br />12:02:53 Peak memory usage: 5.75 MB<br />12:02:53 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />