Get video information from url and convert to array

get_video_info.php

<?php
/**
 * Get video information and convert to array
 * @param string $url, the url of the video
 * @uses wp_remote_get()
 * @return array $video, information about the video
 */
function get_video( $url ) {
	$keyd = "AIzaSyBKpv0AKIID3m60mPSOb_SCW-dvOPWbqpY";
	$video = array();
		$split_url = parse_url( $url );
		if ( isset( $split_url['host'] ) ) {
			$video['host'] = $split_url['host'];
			// Set up youtube variables
			if ( $video['host'] == 'www.youtube.com' || $video['host'] == 'youtube.com' ) {
				$video_id = explode( '?v=', $url ); // For videos like watch?v=...
				
				if ( empty( $video_id[1] ) ) {
					$video_id = explode( '&v=', $url ); // For videos like watch?player&v=
					if ( empty( $video_id[1] ) ) {
						$video_id = explode( '/v/', $url ); // For videos like watch/v/
					}
				}
				$video_id = explode( '&', $video_id[1] ); // Deleting any other params
				$video['id'] = $video_id[0];
				$video['embed'] = '<iframe id="ytplayer" type="text/html" width="960" height="720" src="http://www.youtube.com/embed/' . $video['id'] . '?autoplay=0&enablejsapi=1&wmode=transparent" frameborder="0"></iframe>';
				$video['thumbnail'] = 'http://img.youtube.com/vi/' . $video['id'] . '/0.jpg';
				$videodata = file_get_contents("https://www.googleapis.com/youtube/v3/videos?part=snippet&id=".$video['id']."&key=".$keyd);
				$json = json_decode($videodata, true);
				$video['desc'] = $json['items'][0]['snippet']['description'];
				$video['title'] = $json['items'][0]['snippet']['title'];
			// Set up vimeo variables
			} elseif ( $video['host'] == 'www.vimeo.com' || $video['host'] == 'vimeo.com' ) {
				$video_id = explode( '/', $url );
				$video['id'] = $video_id[3];
				$video['embed'] = '<iframe src="//player.vimeo.com/video/' . $video['id'] . '?title=0&byline=0&portrait=0" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>';
				$vimeo = unserialize(file_get_contents("http://vimeo.com/api/v2/video/".$video['id'].".php"));
				$video['thumbnail'] = $vimeo[0]['thumbnail_large'];
				$video['title'] = $vimeo[0]['title'];
				$video['desc'] = $vimeo[0]['description'];
			} elseif ( $video['host'] == 'www.rutube.ru' || $video['host'] == 'rutube.ru' ) {
				$video_id = explode( '/video/', $url ); // For videos like watch?v=...
				$video_id = explode( '/?', $video_id[1] );
				$video['id'] = $video_id[0];
				$videodata = file_get_contents("http://rutube.ru/api/oembed/?url=https://rutube.ru/video/".$video['id']."/&format=json");
				$json = json_decode($videodata, true);
				$video['embed'] = $json['html'];
				$video['title'] = $json['title'];
				$video['thumbnail'] = "http:".$json['thumbnail_url'];
			}
		// if all else fails, just return the embed
		} else { 
			$video['embed'] = $url;
			return false;
		}

	return $video;
}