Get information about video and images from link

<?php

//include class
include("media_embed.php");

//provide media link
$em = new media_embed('http://youtu.be/xs-rgXUu448');

//check if found anything useful
$site = $em->get_site();
if($site != "")
{
    echo "<p>Link to media:</p>";
    echo "<p><a href='".$em->get_url()."'>";
    $size = $em->get_size();
    echo "<img src='".$em->get_thumb("small")."'/>";
    echo "</a></p>";
    echo "<p>Or embed it:</p>";
    echo "<p>";
    $code = $em->get_iframe();
    if($code == "")
    {
        $code = $em->get_embed();
    }
    echo $code;
    echo "</p>";
}
else
{
    echo "<h3>Cannot get info from this source</h3>";
}
?>