From 23e34b5392cff0a51784474cd0d37b1ac4bc7a23 Mon Sep 17 00:00:00 2001
From: "Alexandros C. Couloumbis" <alex@ozo.com>
Date: Wed, 27 Nov 2019 18:09:58 +0200
Subject: [PATCH] fix php5 compatibility

---
 class/xml/tree/Node.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/class/xml/tree/Node.php b/class/xml/tree/Node.php
index 36b49d8..7fd0058 100644
--- a/class/xml/tree/Node.php
+++ b/class/xml/tree/Node.php
@@ -550,6 +550,7 @@ class XML_Tree_Node {
                            $xml
                           );
 
+	if(function_exists('preg_replace_callback_array')){
 	$xml = preg_replace_callback_array(
         [
             "/\&([a-z\d\#]+)\;/i" => function($matches) {
@@ -565,6 +566,20 @@ class XML_Tree_Node {
                 return '&#'.ord($matches[1]).';';
             }
         ], $xml);
+	}
+	else {
+	$xml = preg_replace(array("/\&([a-z\d\#]+)\;/i",
+		  "/\&/",
+		  "/\#\|\|([a-z\d\#]+)\|\|\#/i",
+		  "/([^a-zA-Z\d\s\<\>\&\;\.\:\=\"\-\/\%\?\!\'\(\)\[\]\{\}\$\#\+\,\@_])/e"
+		  ),
+		array("#||\\1||#",
+		  "&amp;",
+		  "'&#'.ord('\\1').';'"
+		  ),
+		$xml
+		);
+	}
 
         return $xml;
     }
-- 
2.35.1