Получить сообщение из телеграма

$url = 'https://api.telegram.org/bot'.$token.'/getUpdates';
$result = file_get_contents($url);
 
$a = json_decode($result, true);
echo '<br>---------------------------------------------------------------------------------------------------------------------<br>';
var_dump($a);
echo '<br>---------------------------------------------------------------------------------------------------------------------<br>';
$message = $a['message']['text'];
echo 'sms'.$message;

var_dump($a);

echo $a->text;

echo $a->message['text'];

echo $a->message->text;

foreach ($a->message as $message) {
echo message->text;
echo message['text'];
}

array(2) { ["ok"]=> bool(true) ["result"]=> array(1) { [0]=> array(2) { ["update_id"]=> int(419773247) ["message"]=> array(5) { ["message_id"]=> int(50) ["from"]=> array(5) { ["id"]=> int(481741011) ["is_bot"]=> bool(false) ["first_name"]=> string(10) "Давид" ["last_name"]=> string(10) "Гуета" ["language_code"]=> string(5) "ru-RU" } ["chat"]=> array(4) { ["id"]=> int(-263125375) ["title"]=> string(12) "газком" ["type"]=> string(5) "group" ["all_members_are_administrators"]=> bool(true) } ["date"]=> int(1510259038) ["text"]=> string(7) "df45656" } } } }

$message = $a['result'][0]['message']['text'];