get host from url

jvit

get valid host

Shortcut: url.host

/**
* Returns the host part of any valid URL.
*
* @param string $url  Any fully qualified URL
* @return string|null The actual host in lower case or null if $url is not a valid fully qualified URL.
*/
function getHostFromUrl($url)
{
  if (!is_string($url)) {
    return null;
  }

  $urlHost = parse_url($url, PHP_URL_HOST);

  if (empty($urlHost)) {
    return null;
  }

  return mb_strtolower($urlHost);
}