Adapt functions to deal with channel, API update

Author: Eleirbag89

README.md

@@ -1,14 +1,14 @@
 # TelegramBotPHP
-[![API](https://img.shields.io/badge/Telegram%20Bot%20API-July%2021%2C%202017-36ade1.svg)](https://core.telegram.org/bots/api)
+[![API](https://img.shields.io/badge/Telegram%20Bot%20API-August%2023%2C%202017-36ade1.svg)](https://core.telegram.org/bots/api)
 ![PHP](https://img.shields.io/badge/php-%3E%3D5.3-8892bf.svg)
 ![CURL](https://img.shields.io/badge/cURL-required-green.svg)
 
 [![Total Downloads](https://poser.pugx.org/eleirbag89/telegrambotphp/downloads)](https://packagist.org/packages/eleirbag89/telegrambotphp)
 [![License](https://poser.pugx.org/eleirbag89/telegrambotphp/license)](https://packagist.org/packages/eleirbag89/telegrambotphp)
 [![StyleCI](https://styleci.io/repos/38492095/shield?branch=master)](https://styleci.io/repos/38492095)
 
-> A very simple PHP [Telegram Bot API](https://core.telegram.org/bots) for sending messages.    
-> (Almost) Compliant with the July 21, 2017 Telegram Bot API update.
+> A very simple PHP [Telegram Bot API](https://core.telegram.org/bots).    
+> Compliant with the August 23, 2017 Telegram Bot API update.
 
 Requirements
 ---------

Telegram.php

@@ -55,6 +55,10 @@ class Telegram
      * Constant for type Contact.
      */
     const CONTACT = 'contact';
+        /**
+     * Constant for type Channel Post.
+     */
+    const CHANNEL_POST = 'channel_post';
 
     private $bot_token = '';
     private $data = [];
@@ -1379,9 +1383,13 @@ public function setData(array $data)
      */
     public function Text()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return @$this->data['callback_query']['data'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return @$this->data['channel_post']['text'];
+        }
 
         return @$this->data['message']['text'];
     }
@@ -1398,9 +1406,13 @@ public function Caption()
      */
     public function ChatID()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return @$this->data['callback_query']['message']['chat']['id'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return @$this->data['channel_post']['chat']['id'];
+        }
 
         return $this->data['message']['chat']['id'];
     }
@@ -1412,9 +1424,13 @@ public function ChatID()
      */
     public function MessageID()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return @$this->data['callback_query']['message']['message_id'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return @$this->data['channel_post']['message_id'];
+        }
 
         return $this->data['message']['message_id'];
     }
@@ -1472,6 +1488,7 @@ public function Callback_ID()
     /// Get the Get the data of the current callback
 
     /**
+     * \deprecated Use Text() instead
      * \return the String callback_data.
      */
     public function Callback_Data()
@@ -1492,6 +1509,7 @@ public function Callback_Message()
     /// Get the Get the chati_id of the current callback
 
     /**
+     * \deprecated Use ChatId() instead
      * \return the String callback_query.
      */
     public function Callback_ChatID()
@@ -1512,29 +1530,41 @@ public function Date()
     /// Get the first name of the user
     public function FirstName()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return @$this->data['callback_query']['from']['first_name'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return @$this->data['channel_post']['from']['first_name'];
+        }
 
         return @$this->data['message']['from']['first_name'];
     }
 
     /// Get the last name of the user
     public function LastName()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return @$this->data['callback_query']['from']['last_name'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return @$this->data['channel_post']['from']['last_name'];
+        }
 
         return @$this->data['message']['from']['last_name'];
     }
 
     /// Get the username of the user
     public function Username()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return @$this->data['callback_query']['from']['username'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return @$this->data['channel_post']['from']['username'];
+        }
 
         return @$this->data['message']['from']['username'];
     }
@@ -1560,9 +1590,13 @@ public function UpdateCount()
     /// Get user's id of current message
     public function UserID()
     {
-        if ($this->getUpdateType() == self::CALLBACK_QUERY) {
+        $type = $this->getUpdateType();
+        if ($type == self::CALLBACK_QUERY) {
             return $this->data['callback_query']['from']['id'];
         }
+        if ($type == self::CHANNEL_POST) {
+            return $this->data['channel_post']['from']['id'];
+        }
 
         return $this->data['message']['from']['id'];
     }
@@ -2698,6 +2732,9 @@ public function getUpdateType()
         if (isset($update['message']['location'])) {
             return self::LOCATION;
         }
+        if (isset($update['channel_post'])) {
+            return self::CHANNEL_POST;
+        }
 
         return false;
     }