Get Vine Thumbnails through the open-graph meta tags

vine-thumbnails.php

function get_vine_thumbnail( $id )
{
	$vine = file_get_contents("http://vine.co/v/{$id}");
	preg_match('/property="og:image" content="(.*?)"/', $vine, $matches);

	return ($matches[1]) ? $matches[1] : false;
}

echo get_vine_thumbnail('bv5ZeQjY352');

don't work

function get_vine_thumbnail($id)
{
$vine = file_get_contents($id);
preg_match('/property="og:image" content="(.*?)"/', $vine, $matches);
return ($matches[1]) ? $matches[1] : false;
}

$url = 'http://ovnihoje.com/2018/08/02/misterioso-mineral-e-descoberto-em-meteorito/';
$testURL = get_vine_thumbnail($url);

var_dump($testURL);