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

lib/smarty/libs/sysplugins/smarty_internal_undefined.php

@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * Smarty Internal Undefined
+ *
+ * Class to handle undefined method calls or calls to obsolete runtime extensions
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Undefined
+{
+
+    /**
+     * Name of undefined extension class
+     *
+     * @var string|null
+     */
+    public $class = null;
+
+    /**
+     * Smarty_Internal_Undefined constructor.
+     *
+     * @param null|string $class name of undefined extension class
+     */
+    public function __construct($class = null)
+    {
+        $this->class = $class;
+    }
+
+    /**
+     * Wrapper for obsolete class Smarty_Internal_Runtime_ValidateCompiled
+     *
+     * @param  \Smarty_Internal_Template $tpl
+     * @param  array                     $properties special template properties
+     * @param  bool                      $cache      flag if called from cache file
+     *
+     * @return bool false
+     */
+    public function decodeProperties(Smarty_Internal_Template $tpl, $properties, $cache = false)
+    {
+        if ($cache) {
+            $tpl->cached->valid = false;
+        } else {
+            $tpl->mustCompile = true;
+        }
+        return false;
+    }
+
+    /**
+     * Call error handler for undefined method
+     *
+     * @param string $name unknown method-name
+     * @param array  $args argument array
+     *
+     * @return mixed
+     * @throws SmartyException
+     */
+    public function __call($name, $args)
+    {
+        if (isset($this->class)) {
+            throw new SmartyException("undefined extension class '{$this->class}'");
+        } else {
+            throw new SmartyException(get_class($args[ 0 ]) . "->{$name}() undefined method");
+        }
+    }
+}