encoding - simpleXML with special chars in XML-Url -

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i have little problem code. trying pull song id's spotify. works fine me, not special characters in url (like ü,ö,ä).

i warning (first line echoed url):

http://ws.spotify.com/search/1/track?q=sportfreunde+stiller+and+track:frühling warning: simplexmlelement::__tostring() [simplexmlelement.--tostring]: node no longer exists in /applications/ampps/www/spotify.php on line 28

this code:

function getid($artist,$title){  $url = utf8_decode("http://ws.spotify.com/search/1/track?q=".$artist."+and+track:".$title); echo $url;     $xml = simplexml_load_file($url);     $id= $xml->track->attributes();     return($id);   }  echo getid("sportfreunde+stiller","frühling");

how solve this? tried utf_encode(), didn't work out.

thank you!

this has nothing utf-8 encoding, , not badly named utf8_decode/utf8_encode functions, should named utf8_to_iso8859_1/iso8859_1_to_utf8, , right answer encoding problem.

urls can, strictly speaking, contain restricted set of characters - basic letters, numbers, , few pieces of punctuation. else must escaped using sequences %3f.

to escape strings in url correctly, can use php function urlencode(), e.g.

$url = "http://ws.spotify.com/search/1/track?q=" . urlencode($artist) . "+and+track:" . urlencode($title);

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