Added TelegramHelper file, removed 1 dependence.

composer.json

@@ -3,7 +3,7 @@
     "description": "Framework for Telegram Bot API",
     "license": "MIT",
     "type": "project",
-    "version": "1.4.2",
+    "version": "1.4.3",
     "authors": [
         {
             "name": "Luca Patera",
@@ -13,8 +13,7 @@
     ],
     "require": {
         "php": ">=5.6",
-        "netresearch/jsonmapper": ">=v1.1.0",
-        "lukasss93/aurax-php": ">=1.3.1"
+        "netresearch/jsonmapper": ">=v1.1.0"
     },
     "autoload": {
         "psr-4": {

src/TelegramBot.php

@@ -2,7 +2,6 @@
 
 namespace TelegramBot;
 
-use AuraX\Tools;
 use Exception;
 use JsonMapper;
 use TelegramBot\Types\Chat;
@@ -1295,7 +1294,7 @@ private function endpoint($api, array $content, $isPost = true)
             throw new TelegramException("CURL request failed.\n" + $error);
         }
 
-        if (!Tools::isJSON($body)) {
+        if (!is_json($body)) {
             throw new TelegramException('The response cannot be parsed to json.');
         }
 
@@ -1367,18 +1366,4 @@ private function encodeFile($file)
     }
 
     //endregion
-}
-
-/** Helper for Uploading file using CURL */
-if (!function_exists('curl_file_create')) {
-    function curl_file_create($filename, $mimetype = '', $postname = '')
-    {
-        return "@$filename;filename=" . ($postname ?: basename($filename)) . ($mimetype ? ";type=$mimetype" : '');
-    }
-}
-
-/** Helper for Uploading file using CURL with auto mime */
-function curl_file_create_auto_mime($filename, $postname = '')
-{
-    return curl_file_create($filename, '', $postname);
 }

src/TelegramHelper.php

@@ -0,0 +1,28 @@
+<?php
+
+/** Helper for Uploading file using CURL */
+if (!function_exists('curl_file_create')) {
+	function curl_file_create($filename, $mimetype = '', $postname = '')
+	{
+		return "@$filename;filename=" . ($postname ?: basename($filename)) . ($mimetype ? ";type=$mimetype" : '');
+	}
+}
+
+/** Helper for Uploading file using CURL with auto mime
+ * @param string $path Full path file
+ * @param string $postname
+ * @return string
+ */
+function curl_file_create_auto_mime($path, $postname = '')
+{
+	return curl_file_create($path, '', $postname);
+}
+
+/** Check if a string is a json
+ * @param string $string
+ * @return bool
+ */
+function is_json($string)
+{
+	return is_string($string) && is_array(json_decode($string, true)) && (json_last_error() == JSON_ERROR_NONE) ? true : false;
+}