header('Content-Type: application/json');

$xml = file_get_contents("https://www.youtube.com/feeds/videos.xml?playlist_id=UUR5wZcXtOUka8jTA57flzMg");
$basliklar = "#<media:title>(.*)</media:title>#i";
$linkler = "#<yt:videoId>(.*)</yt:videoId>#i";

preg_match_all($basliklar, $xml, $baslik);
preg_match_all($linkler, $xml, $link);
echo '[';
for ($i=1;$i<=14;$i++)
{

echo '{
"Başlık": '.json_encode( $baslik[1][$i], JSON_UNESCAPED_UNICODE ).'
},';
echo '{
"VideoId": '.json_encode( $link[1][$i], JSON_UNESCAPED_UNICODE ).'
},';

}
echo '{}]';