add a lib directory; move smarty into it; add random_compat phar (for random_bytes() on PHP < 7)

lib/smarty/libs/sysplugins/smarty_internal_method_assignbyref.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Smarty Method AssignByRef
+ *
+ * Smarty::assignByRef() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Method_AssignByRef
+{
+
+    /**
+     * assigns values to template variables by reference
+     *
+     * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
+     * @param string                                                  $tpl_var the template variable name
+     * @param                                                         $value
+     * @param  boolean                                                $nocache if true any output of this variable will be not cached
+     *
+     * @return \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty
+     */
+    public function assignByRef(Smarty_Internal_Data $data, $tpl_var, &$value, $nocache)
+    {
+        if ($tpl_var !== '') {
+            $data->tpl_vars[ $tpl_var ] = new Smarty_Variable(null, $nocache);
+            $data->tpl_vars[ $tpl_var ]->value = &$value;
+            if ($data->_isTplObj() && $data->scope) {
+                $data->ext->_updateScope->_updateScope($data, $tpl_var);
+            }
+        }
+        return $data;
+    }
+}