diff --git a/change_log.txt b/change_log.txt
index f88b3762..7c548b47 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -2,6 +2,7 @@
  28.06.2015
   - move $smarty->enableSecurity() into Smarty_Security class
   - optimize security isTrustedResourceDir()
+  - move auto load filter methods into extension
 
  27.06.2015
   - bugfix resolve naming conflict between custom Smarty delimiter '<%' and PHP ASP tags https://github.com/smarty-php/smarty/issues/64
diff --git a/libs/Autoloader.php b/libs/Autoloader.php
index a7356b2b..aa89cc97 100644
--- a/libs/Autoloader.php
+++ b/libs/Autoloader.php
@@ -47,43 +47,44 @@ class Smarty_Autoloader
      */
     public static $rootClasses = array('Smarty' => 'Smarty.class.php', 'SmartyBC' => 'SmartyBC.class.php',);
 
-    private static $syspluginsClasses = array('smarty_config_source'                    => true,
-                                              'smarty_security'                         => true,
-                                              'smarty_cacheresource'                    => true,
-                                              'smarty_compiledresource'                 => true,
-                                              'smarty_cacheresource_custom'             => true,
-                                              'smarty_cacheresource_keyvaluestore'      => true,
-                                              'smarty_resource'                         => true,
-                                              'smarty_resource_custom'                  => true,
-                                              'smarty_resource_uncompiled'              => true,
-                                              'smarty_resource_recompiled'              => true,
-                                              'smarty_template_source'                  => true,
-                                              'smarty_template_compiled'                => true,
-                                              'smarty_template_cached'                  => true,
-                                              'smarty_template_config'                  => true,
-                                              'smarty_data'                             => true,
-                                              'smarty_variable'                         => true,
-                                              'smarty_undefined_variable'               => true,
-                                              'smartyexception'                         => true,
-                                              'smartycompilerexception'                 => true,
-                                              'smarty_internal_data'                    => true,
-                                              'smarty_internal_template'                => true,
-                                              'smarty_internal_templatebase'            => true,
-                                              'smarty_internal_resource_file'           => true,
-                                              'smarty_internal_resource_extends'        => true,
-                                              'smarty_internal_resource_eval'           => true,
-                                              'smarty_internal_resource_string'         => true,
-                                              'smarty_internal_resource_registered'     => true,
-                                              'smarty_internal_extension_codeframe'     => true,
-                                              'smarty_internal_extension_config'        => true,
-                                              'smarty_internal_extension_filter'        => true,
-                                              'smarty_internal_extension_object'        => true,
-                                              'smarty_internal_extension_loadplugin'    => true,
-                                              'smarty_internal_extension_clearcompiled' => true,
-                                              'smarty_internal_filter_handler'          => true,
-                                              'smarty_internal_function_call_handler'   => true,
-                                              'smarty_internal_cacheresource_file'      => true,
-                                              'smarty_internal_write_file'              => true,);
+    private static $syspluginsClasses = array('smarty_config_source'                     => true,
+                                              'smarty_security'                          => true,
+                                              'smarty_cacheresource'                     => true,
+                                              'smarty_compiledresource'                  => true,
+                                              'smarty_cacheresource_custom'              => true,
+                                              'smarty_cacheresource_keyvaluestore'       => true,
+                                              'smarty_resource'                          => true,
+                                              'smarty_resource_custom'                   => true,
+                                              'smarty_resource_uncompiled'               => true,
+                                              'smarty_resource_recompiled'               => true,
+                                              'smarty_template_source'                   => true,
+                                              'smarty_template_compiled'                 => true,
+                                              'smarty_template_cached'                   => true,
+                                              'smarty_template_config'                   => true,
+                                              'smarty_data'                              => true,
+                                              'smarty_variable'                          => true,
+                                              'smarty_undefined_variable'                => true,
+                                              'smartyexception'                          => true,
+                                              'smartycompilerexception'                  => true,
+                                              'smarty_internal_data'                     => true,
+                                              'smarty_internal_template'                 => true,
+                                              'smarty_internal_templatebase'             => true,
+                                              'smarty_internal_resource_file'            => true,
+                                              'smarty_internal_resource_extends'         => true,
+                                              'smarty_internal_resource_eval'            => true,
+                                              'smarty_internal_resource_string'          => true,
+                                              'smarty_internal_resource_registered'      => true,
+                                              'smarty_internal_extension_codeframe'      => true,
+                                              'smarty_internal_extension_config'         => true,
+                                              'smarty_internal_extension_filter'         => true,
+                                              'smarty_internal_extension_autoloadfilter' => true,
+                                              'smarty_internal_extension_object'         => true,
+                                              'smarty_internal_extension_loadplugin'     => true,
+                                              'smarty_internal_extension_clearcompiled'  => true,
+                                              'smarty_internal_filter_handler'           => true,
+                                              'smarty_internal_function_call_handler'    => true,
+                                              'smarty_internal_cacheresource_file'       => true,
+                                              'smarty_internal_write_file'               => true,);
 
     /**
      * Registers Smarty_Autoloader backward compatible to older installations.
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 74f0d9a5..95316a0e 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -111,7 +111,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.28-dev/13';
+    const SMARTY_VERSION = '3.1.28-dev/14';
 
     /**
      * define variable scopes
@@ -1249,12 +1249,7 @@ class Smarty extends Smarty_Internal_TemplateBase
      */
     public function setAutoloadFilters($filters, $type = null)
     {
-        if ($type !== null) {
-            $this->autoload_filters[$type] = (array) $filters;
-        } else {
-            $this->autoload_filters = (array) $filters;
-        }
-
+        Smarty_Internal_Extension_AutoLoadFilter::setAutoloadFilters($this, $filters, $type);
         return $this;
     }
 
@@ -1269,22 +1264,7 @@ class Smarty extends Smarty_Internal_TemplateBase
      */
     public function addAutoloadFilters($filters, $type = null)
     {
-        if ($type !== null) {
-            if (!empty($this->autoload_filters[$type])) {
-                $this->autoload_filters[$type] = array_merge($this->autoload_filters[$type], (array) $filters);
-            } else {
-                $this->autoload_filters[$type] = (array) $filters;
-            }
-        } else {
-            foreach ((array) $filters as $key => $value) {
-                if (!empty($this->autoload_filters[$key])) {
-                    $this->autoload_filters[$key] = array_merge($this->autoload_filters[$key], (array) $value);
-                } else {
-                    $this->autoload_filters[$key] = (array) $value;
-                }
-            }
-        }
-
+        Smarty_Internal_Extension_AutoLoadFilter::addAutoloadFilters($this, $filters, $type);
         return $this;
     }
 
@@ -1298,10 +1278,7 @@ class Smarty extends Smarty_Internal_TemplateBase
      */
     public function getAutoloadFilters($type = null)
     {
-        if ($type !== null) {
-            return isset($this->autoload_filters[$type]) ? $this->autoload_filters[$type] : array();
-        }
-        return $this->autoload_filters;
+        return Smarty_Internal_Extension_AutoLoadFilter::getAutoloadFilters($this, $type);
     }
 
     /**
diff --git a/libs/sysplugins/smarty_internal_extension_autoloadfilter.php b/libs/sysplugins/smarty_internal_extension_autoloadfilter.php
new file mode 100644
index 00000000..216bb5d4
--- /dev/null
+++ b/libs/sysplugins/smarty_internal_extension_autoloadfilter.php
@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * Smarty Extension AutoLoadFilter
+ *
+ * Auto load filter methods
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Extension_AutoLoadFilter
+{
+    /**
+     * Valid filter types
+     *
+     * @var array
+     */
+    static $filterTypes = array('pre' => true, 'post' => true, 'output' => true, 'variable' => true);
+
+    /**
+     * Set autoload filters
+     *
+     * @param \Smarty $smarty
+     * @param  array  $filters filters to load automatically
+     * @param  string $type    "pre", "output", … specify the filter type to set. Defaults to none treating $filters'
+     *                         keys as the appropriate types
+     */
+    public static function setAutoloadFilters(Smarty $smarty, $filters, $type)
+    {
+        if ($type !== null) {
+            self::_checkFilterType($type);
+            $smarty->autoload_filters[$type] = (array) $filters;
+        } else {
+            foreach ((array) $filters as $type => $value) {
+                self::_checkFilterType($type);
+            }
+            $smarty->autoload_filters = (array) $filters;
+        }
+    }
+
+    /**
+     * Add autoload filters
+     *
+     * @param \Smarty $smarty
+     * @param  array  $filters filters to load automatically
+     * @param  string $type    "pre", "output", … specify the filter type to set. Defaults to none treating $filters'
+     *                         keys as the appropriate types
+     */
+    public static function addAutoloadFilters(Smarty $smarty, $filters, $type)
+    {
+        if ($type !== null) {
+            self::_checkFilterType($type);
+            if (!empty($smarty->autoload_filters[$type])) {
+                $smarty->autoload_filters[$type] = array_merge($smarty->autoload_filters[$type], (array) $filters);
+            } else {
+                $smarty->autoload_filters[$type] = (array) $filters;
+            }
+        } else {
+            foreach ((array) $filters as $type => $value) {
+                self::_checkFilterType($type);
+                if (!empty($smarty->autoload_filters[$type])) {
+                    $smarty->autoload_filters[$type] = array_merge($smarty->autoload_filters[$type], (array) $value);
+                } else {
+                    $smarty->autoload_filters[$type] = (array) $value;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get autoload filters
+     *
+     * @param \Smarty $smarty
+     * @param  string $type type of filter to get auto loads for. Defaults to all autoload filters
+     *
+     * @return array array( 'type1' => array( 'filter1', 'filter2', … ) ) or array( 'filter1', 'filter2', …) if $type
+     *                was specified
+     */
+    public static function getAutoloadFilters(Smarty $smarty, $type)
+    {
+        if ($type !== null) {
+            self::_checkFilterType($type);
+            return isset($smarty->autoload_filters[$type]) ? $smarty->autoload_filters[$type] : array();
+        }
+        return $smarty->autoload_filters;
+    }
+
+    /**
+     * Check if filter type is valid
+     *
+     * @param string $type
+     *
+     * @throws \SmartyException
+     */
+    static function _checkFilterType($type)
+    {
+        if (!isset(self::$filterTypes[$type])) {
+            throw new SmartyException("Illegal filter type \"{$type}\"");
+        }
+    }
+}
\ No newline at end of file