Get duration from a youtube url

Question

Im looking for a function that will pull the youtube duration of a video from the url. I read some tutorials but don\'t get it. I embed videos on my site using a url and I have

Answer 1

youtube api v3

---

usage

echo youtubeVideoDuration('video_url', 'your_api_key');
// output: 63 (seconds)

function

/**
* Return video duration in seconds.
* 
* @param $video_url
* @param $api_key
* @return integer|null
*/
function youtubeVideoDuration($video_url, $api_key) {

    // video id from url
    parse_str(parse_url($video_url, PHP_URL_QUERY), $get_parameters);
    $video_id = $get_parameters['v'];

    // video json data
    $json_result = file_get_contents("https://www.googleapis.com/youtube/v3/videos?part=contentDetails&id=$video_id&key=$api_key");
    $result = json_decode($json_result, true);

    // video duration data
    if (!count($result['items'])) {
        return null;
    }
    $duration_encoded = $result['items'][0]['contentDetails']['duration'];

    // duration
    $interval = new DateInterval($duration_encoded);
    $seconds = $interval->days * 86400 + $interval->h * 3600 + $interval->i * 60 + $interval->s;

    return $seconds;
}