Add basecode.

Added send_html(), add_to_db() and base code for dealing with the webhook.

webhook.php

@@ -0,0 +1,62 @@
+<?php
+$bot_name = "smeagol_lotr_bot";
+$bot_api = require('api_key.php');
+
+// Send html back to the sender.
+function send_html($post_message, $reply=false) {
+  global $decoded;
+  global $bot_api;
+  global $chat_id;
+  $url = 'https://api.telegram.org/bot' . $bot_api . '/sendMessage';
+  $post_msg = array('chat_id' => $chat_id, 'text' =>$post_message, 'parse_mode' => 'html');
+  if ($reply != false) {
+    if ($reply === true){
+      $post_msg['reply_to_message_id'] = $decoded->{'message'}->{'message_id'};
+    }
+    else {
+      $post_msg['reply_to_message_id'] = $reply;
+    }
+  }
+  $options = array(
+    'http' => array(
+      'header' => "Content-type: application/x-www-form-urlencoded\r\n",
+      'method' => 'POST',
+      'content' => http_build_query($post_msg)
+    )
+  );
+  $context = stream_context_create($options);
+  $result = file_get_contents($url, false, $context);
+}
+
+function add_to_db($success) {
+  global $decoded;
+  $user_id = $decoded->{"message"}->{"from"}->{"id"};
+  $timestamp = $decoded->{"message"}->{"forward_date"};
+  $mysql = require('mysql_credentials.php');
+  $conn = new mysqli($mysql['servername'], $mysql['username'], $mysql['password'], $mysql['database']);
+  if ($conn->connect_error) {
+    die("Connection failed: " . $conn->connect_error);
+  }
+  $stmt = $conn->prepare("INSERT INTO data (id, timestamp, success) VALUES (?,?,?);");
+  $stmt->bind_param('iii', $user_id, $timestamp, $success);
+  $stmt->execute();
+  $conn->close();
+}
+
+// Get JSON from post, store it and decode it.
+$var = file_get_contents('php://input');
+$decoded = json_decode($var);
+
+// Store the chat ID
+$chat_id = $decoded->{"message"}->{"chat"}->{"id"};
+if ($decoded->{"message"}->{"forward_from"}->{"username"} != "chtwrsbot") {
+  exit();
+}
+
+if (!isset($decoded->{"message"}->{"text"})){
+  exit();
+}
+
+$text = $decoded->{"message"}->{"text"};
+
+?>