[code]

<?php

if (!defined('_GNUBOARD_')) exit;

function get_youtube_id($contents)

{

    if(!$contents)

        return false;

preg_match('/(?:youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|shorts\/|\S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})/', $contents, $match); //all working included shorts and iframe

return $match[1] ?? false;

}

function get_youtube_thumbnail($youtube_id, $thumb_str="0"){

    if(!$youtube_id)

        return false;

    return "https://img.youtube.com/vi/".$youtube_id."/".$thumb_str.".jpg";

}

function get_vimeo_id($contents)

{

    if(!$contents)

        return false;

        $pattern = '/(?:https?:\/\/)?(?:www\.)?(?:player\.)?vimeo\.com\/(?:video\/|channels\/(?:\w+\/)?|groups\/(?:[^\/]*)\/videos\/|album\/(?:\d+)\/video\/|)(\d+)(?:[a-zA-Z0-9_-]+)?/i';

    preg_match($pattern, $contents, $match);

    return $match[1] ?? false;

function get_vimeo_thumbnail($id) {

    if (!$id) return false;

    $url = "https://vimeo.com/api/oembed.json?url=https://vimeo.com/" . $id;

    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, $url);

    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

    $response = curl_exec($ch);

    curl_close($ch);

    if ($response) {

        $data = json_decode($response);

        return $data->thumbnail_url ?? false;

    }

    return false;

}

[/code]