issue #2405 update smarty

and made Piwigo compatible with smarty 5.x

include/smarty/src/ParseTree/Text.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Smarty\ParseTree;
+
+/**
+ * Smarty Internal Plugin Templateparser Parse Tree
+ * These are classes to build parse tree in the template parser
+ *
+
+
+ * @author     Thue Kristensen
+ * @author     Uwe Tews
+ *             *
+ *             template text
+
+
+ * @ignore
+ */
+class Text extends Base
+{
+
+    /**
+     * Wether this section should be stripped on output to smarty php
+     * @var bool
+     */
+    private $toBeStripped = false;
+
+    /**
+     * Create template text buffer
+     *
+     * @param string $data text
+     * @param bool $toBeStripped wether this section should be stripped on output to smarty php
+     */
+    public function __construct($data, $toBeStripped = false)
+    {
+        $this->data = $data;
+        $this->toBeStripped = $toBeStripped;
+    }
+
+    /**
+     * Wether this section should be stripped on output to smarty php
+     * @return bool
+     */
+    public function isToBeStripped() {
+        return $this->toBeStripped;
+    }
+
+    /**
+     * Return buffer content
+     *
+     * @param \Smarty\Parser\TemplateParser $parser
+     *
+     * @return string text
+     */
+    public function to_smarty_php(\Smarty\Parser\TemplateParser $parser)
+    {
+        return $this->data;
+    }
+}