22:07:23 Create new PHPExcel object<br />22:07:23 Set document properties<br />22:07:23 Add data<br />22:07:23 Set data validation<br />22:07:23 Write to Excel5 format<br />22:07:23 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0205 seconds<br />22:07:23 Current memory usage: 6.25 MB<br />22:07:23 Peak memory usage: 6.25 MB<br />22:07:23 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />