| public hostExists ( string $url ) : boolean | ||
| $url | string | URL to check |
| return | boolean | true, if the server exists; false otherwise |
public function hostExists($url)
{
if (strpos($url, '/') === false) {
$server = $url;
} else {
$server = @parse_url($url, PHP_URL_HOST);
}
if (!$server) {
return false;
}
$ips = gethostbynamel($server);
return !empty($ips);
}