vk link directo

que podria estar mal aqui me manda al link si pero al cargar el link vk me sale error 404

<?php
$filelink='
if ((strpos($filelink, 'vk.com') !== false) || (strpos($filelink, 'vkontakte.ru') !== false)) {
$ua="Mozilla/5.0 (Windows NT 10.0; rv:63.0) Gecko/20100101 Firefox/63.0";
$ch = curl_init($filelink);
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
curl_setopt($ch,CURLOPT_REFERER,"https://vkvd463.mycdn.me/");
curl_setopt($ch, CURLOPT_FOLLOWLOCATION ,1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER ,1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_HEADER,1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_TIMEOUT, 15);
$html = curl_exec($ch);
curl_close ($ch);
$html=str_replace("\\","",$html);
if (preg_match_all("/url\d+\":\"([http|https][\.\d\w\-\.\/\\\:\=\?\&\#\%\_\,]*)\"/",$html,$m))
$link=$m[1][count($m)-1];
else
$link="";
}
echo $link;
?>