I need to send messages containing emoji with my Telegram Bot.
So I copy/paste emoji code
function tel_send($key, $t, $c)
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.telegram.org/bot" . $key . "/sendMessage");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, "cache=" . (time() / rand(1, time() - 100)) . "&text=" . $t . "&chat_id=" . $c);
$ss = curl_exec($ch);
tel_send($key, "My number - :nine:", $val['message']['chat']['id']);
you need to specify emoji's unicode value.
these are returned by a function as emoji value like u'\U000026C4' which is snowman. although it is in python, you can apply it for php.