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_clearallcache.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Smarty Method ClearAllCache
+ *
+ * Smarty::clearAllCache() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Method_ClearAllCache
+{
+    /**
+     * Valid for Smarty object
+     *
+     * @var int
+     */
+    public $objMap = 1;
+
+    /**
+     * Empty cache folder
+     *
+     * @api  Smarty::clearAllCache()
+     * @link http://www.smarty.net/docs/en/api.clear.all.cache.tpl
+     *
+     * @param \Smarty  $smarty
+     * @param  integer $exp_time expiration time
+     * @param  string  $type     resource type
+     *
+     * @return int number of cache files deleted
+     * @throws \SmartyException
+     */
+    public function clearAllCache(Smarty $smarty, $exp_time = null, $type = null)
+    {
+        $smarty->_clearTemplateCache();
+        // load cache resource and call clearAll
+        $_cache_resource = Smarty_CacheResource::load($smarty, $type);
+        return $_cache_resource->clearAll($smarty, $exp_time);
+    }
+}