ChatID() public method

\return the String users's chat_id
public ChatID ( )
 * Add @cowmooobot to try it!
 * @author Gabriele Grillo <*****@*****.**>
 */
include "Telegram.php";
// Set the bot TOKEN
$bot_id = "bot_token";
// Instances the class
$telegram = new Telegram($bot_id);
/* If you need to manually take some parameters
*  $result = $telegram->getData();
*  $text = $result["message"] ["text"];
*  $chat_id = $result["message"] ["chat"]["id"];
*/
// Take text and chat_id from the message
$text = $telegram->Text();
$chat_id = $telegram->ChatID();
if ($text == "/start") {
    $option = array(array("🐮"), array("Git", "Credit"));
    // Create a permanent custom keyboard
    $keyb = $telegram->buildKeyBoard($option, $onetime = false);
    $content = array('chat_id' => $chat_id, 'reply_markup' => $keyb, 'text' => "Welcome to CowBot 🐮 \nPlease type /cowsay or click the Cow button !");
    $telegram->sendMessage($content);
}
if ($text == "/cowsay" || $text == "🐮") {
    $randstring = rand() . sha1(time());
    $cowurl = "http://bangame.altervista.org/cowsay/fortune_image_w.php?preview=" . $randstring;
    $content = array('chat_id' => $chat_id, 'text' => $cowurl);
    $telegram->sendMessage($content);
}
if ($text == "/credit" || $text == "Credit") {
    $reply = "Eleirbag89 Telegram PHP API http://telegrambot.ienadeprex.com \nFrancesco Laurita (for the cowsay script) http://francesco-laurita.info/wordpress/fortune-cowsay-on-php-5";