Used to parse Vimeo HLS URLs to negate issues with redirects and JW Player

parse-hls-url.php

/**
 * Parse Vimeo M3U8 URLs to negate relative redirect issues with JW Player (See issue #1510)
 *
 * @return string
*/
public function parseHLSUrl($url)
{

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url); //set url
    curl_setopt($ch, CURLOPT_HEADER, true); //get header
    curl_setopt($ch, CURLOPT_NOBODY, true); //do not include response body
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); //do not show in browser the response
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); //follow any redirects
    curl_exec($ch);
    $new_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL); //extract the url from the header response
    curl_close($ch);

    return $new_url;
}

This works great momentarily, but hls playlist redirects must be reprocessed every-so-often because the tokens used seem to expire.