- change $xxx_dir properties from private to protected in case Smarty class gets extended.

Properties like $template_dir must never be accessed directly or overloaded by a user class. Use getter/setter methods like setTemplateDir()

change_log.txt

@@ -1,4 +1,7 @@
  ===== 3.1.30-dev ===== (xx.xx.xx)
+ 22.12.2015
+  - change $xxx_dir properties from private to protected in case Smarty class gets extended
+  
  21.12.2015
   - bugfix a filepath starting with '/' or '\' on windows should normalize to the root dir
     of current working drive https://github.com/smarty-php/smarty/issues/134

libs/Smarty.class.php

@@ -118,7 +118,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.30-dev/3';
+    const SMARTY_VERSION = '3.1.30-dev/4';
 
     /**
      * define variable scopes
@@ -288,7 +288,7 @@ class Smarty extends Smarty_Internal_TemplateBase
      *
      * @var array
      */
-    private $template_dir = array('./templates/');
+    protected $template_dir = array('./templates/');
 
     /**
      * joined template directory string used in cache keys
@@ -330,28 +330,28 @@ class Smarty extends Smarty_Internal_TemplateBase
      *
      * @var string
      */
-    private $compile_dir = './templates_c/';
+    protected $compile_dir = './templates_c/';
 
     /**
      * plugins directory
      *
      * @var array
      */
-    private $plugins_dir = null;
+    protected $plugins_dir = null;
 
     /**
      * cache directory
      *
      * @var string
      */
-    private $cache_dir = './cache/';
+    protected $cache_dir = './cache/';
 
     /**
      * config directory
      *
      * @var array
      */
-    private $config_dir = array('./configs/');
+    protected $config_dir = array('./configs/');
 
     /**
      * force template compiling?