function send_req($url) 
	{
	   $ch = curl_init();
		curl_setopt($ch, CURLOPT_USERAGENT,				"Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1");
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 		FALSE);
		curl_setopt($ch, CURLOPT_HEADER,				false);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION,		true);
		curl_setopt($ch, CURLOPT_URL,					$url);
		curl_setopt($ch, CURLOPT_REFERER,				$url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER,		TRUE);
		$out = curl_exec($ch);
		curl_close($ch);
		return $out;
	}

$url = "https://www.googleapis.com/youtube/v3/search?part=snippet&q=умный%20дом&type=video&maxResults=5&key=Ваш ключ";
$res = json_decode(send_req($url));
print_r($res);