19:45:41 Create new PHPExcel object<br />19:45:41 Set document properties<br />19:45:41 Add data<br />19:45:41 Set data validation<br />19:45:41 Write to Excel5 format<br />19:45:41 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0085 seconds<br />19:45:41 Current memory usage: 2.25 MB<br />19:45:41 Peak memory usage: 2.25 MB<br />19:45:41 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />