13:02:33 Create new PHPExcel object<br />13:02:33 Set document properties<br />13:02:33 Add data<br />13:02:33 Set data validation<br />13:02:33 Write to Excel2007 format<br />13:02:33 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0091 seconds<br />13:02:33 Current memory usage: 1.5 MB<br />13:02:33 Peak memory usage: 1.5 MB<br />13:02:33 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />