How to create a custom field?

Hello,

I'm trying to create a custom field in WordPress to add vine videos.

I found the guide which demonstrate how to add a custom meta box for YouTube videos only.
http://www.iamclarence.com/blog/2012/02/23/wordpress-101-adding-a-youtube-meta-box-to-pagepost-editing/

Can anyone help me to change that metabox from YouTube Videos to Vine.co Videos?

This is the function to OutPut the Vine

function vine($id) { // gets the raw .mp4 url from the vine id
    $vine = file_get_contents("http://vine.co/v/{$id}");
    preg_match('/property="twitter:player:stream" content="(.*?)"/', $vine, $matches);
    return ($matches[1]) ? $matches[1] : false;
}

PHP:

Another function I want to merge is to get the vine featured image and set it automatically in wordpress
https://halgatewood.com/php-get-vine-app-video-thumbnail/

 

it's not that easy as it sounds ... if you want I can fix it for you ...

 

it's not that easy as it sounds ... if you want I can fix it for you ...

 

If you can fix this for me it will be greatly appreciated.

I've another function but it works using short code and I am trying to implement this function like this method

Thanks in advance.

 

oww good ,it will be helpful to me .thanks man