php - Check valid international URL -

i need check if international url valid. example:

http://täst.de/äxample-url/

how can that? can use composer package.

you can try test url using filter php.

example:

    $url = "http://www.w3schools.com";      if (!filter_var($url, filter_validate_url) === false) {         echo("$url valid url");     } else {         echo("$url not valid url");     } 

http://www.w3schools.com/php/filter_validate_url.asp http://php.net/manual/en/filter.filters.validate.php