diff --git a/library/smarty/libs/sysplugins/smarty_internal_compile_private_function_plugin.php b/library/smarty/libs/sysplugins/smarty_internal_compile_private_function_plugin.php
new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_compile_private_function_plugin.php
@@ -0,0 +1,69 @@
+<?php
+/**
+ * Smarty Internal Plugin Compile Function Plugin
+ * Compiles code for the execution of function plugin
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Function Plugin Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Private_Function_Plugin extends Smarty_Internal_CompileBase {
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $required_attributes = array();
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $optional_attributes = array('_any');
+
+    /**
+     * Compiles code for the execution of function plugin
+     *
+     * @param  array $args array with attributes from parser
+     * @param  object $compiler compiler object
+     * @param  array $parameter array with compilation parameter
+     * @param  string $tag name of function plugin
+     * @param  string $function PHP function name
+     *
+     * @return string compiled code
+     */
+    public function compile($args, $compiler, $parameter, $tag, $function) {
+        // This tag does create output
+        $compiler->has_output = true;
+
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+        if ($_attr['nocache'] === true) {
+            $compiler->tag_nocache = true;
+        }
+        unset($_attr['nocache']);
+        // convert attributes into parameter array string
+        $_paramsArray = array();
+        foreach ($_attr as $_key => $_value) {
+            if (is_int($_key)) {
+                $_paramsArray[] = "$_key=>$_value";
+            } else {
+                $_paramsArray[] = "'$_key'=>$_value";
+            }
+        }
+        $_params = 'array(' . implode(",", $_paramsArray) . ')';
+        // compile code
+        $output = "<?php echo {$function}({$_params},\$_smarty_tpl);?>\n";
+
+        return $output;
+    }
+}