How to find Facebook Stream Video Player url

Hello, I would like to know how I can modify the code below so that it can find the new Facebook Stream Player url parameter that changed from https://video-lht6-1.xx.fbcdn.net to https://scontent.fbsb8-2.fna.fbcdn.net .

My code below can find the urls of the video plus the url exits with this parameter https://video-lht6-1.xx.fbcdn.net and would like it to exit with the new parameter directly in the script without it being necessary to change the old url for the new one using php .

Below is my code

<?php
    function curl($url) {
    $ch = @curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    $head[] = "Connection: keep-alive";
    $head[] = "Keep-Alive: 300";
    $head[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
    $head[] = "Accept-Language: en-us,en;q=0.5";
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.124 Safari/537.36');
    curl_setopt($ch, CURLOPT_HTTPHEADER, $head);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_TIMEOUT, 60);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:'));
    $page = curl_exec($ch);
    curl_close($ch);
    return $page;
}
function linkHD($data) {
    if (preg_match('/hd_src_no_ratelimit:"([^"]+)"/', $data, $result)) {
        return $result[1];
    } else {
        return;
    }   
}
function linkSD($data) {
    if (preg_match('/sd_src_no_ratelimit:"([^"]+)"/', $data, $result)) {
        return $result[1];
    } else {
        return;
    }   
}
function facebookmediaf($link) {
    $fetch = curl($link);
    $resHD = linkHD($fetch);
    $resSD = linkSD($fetch);
    if($resHD != '') {
        $source = '[{"type": "video/mp4", "label": "HD", "file": "'.$resHD.'"}, {"type": "video/mp4", "label": "SD", "file": "'.$resSD.'"}]';
        return $source;
    } else {
        $source = '[{"type": "video/mp4", "label": "SD", "file": "'.$resSD.'"}]';
        return $source;
    }   
}
    $fblink = $_GET['media'];
    $fdata = facebookmediaf($fblink);
?>