21:39:42 Create new PHPExcel object<br />21:39:42 Set document properties<br />21:39:42 Add data<br />21:39:42 Set data validation<br />21:39:42 Write to Excel5 format<br />21:39:42 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0100 seconds<br />21:39:42 Current memory usage: 1.75 MB<br />21:39:42 Peak memory usage: 1.75 MB<br />21:39:42 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />