add telegram User Data reader

telegram.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Get telegram user data
+ * 
+ * Gets telegram user data from cookie and save it to array
+ * 
+ * @return void
+ *
+ * @author Telegram
+ *
+ *
+ * @since 0.1
+ */
+function getTelegramUserData() {
+	if (isset($_COOKIE['tg_user'])) {
+		$auth_data_json = urldecode($_COOKIE['tg_user']);
+		 $auth_data = json_decode($auth_data_json, true);
+		return $auth_data;
+	}
+	return false;
+}