Autoconfig site url in wp-config.php

wp-config-autoconfig.php

<?php

if(!isset($_SERVER['HTTPS'])){
  $port = 80;
  $protocol = 'http';
}else{
  $port = 443;
  $protocol = 'https';
}

$port = ($port == $_SERVER['SERVER_PORT'])?'':':'.$_SERVER['SERVER_PORT'];

define('WP_SITEURL', $protocol.'://'.$_SERVER['SERVER_NAME'].$port);