From 86aae61ee753ce7f8d1dc84c26ae0e3574cab427 Mon Sep 17 00:00:00 2001
From: nicolasconnault <nicolasconnault>
Date: Mon, 26 Mar 2007 03:42:22 +0000
Subject: [PATCH] MDL-8730: These libxml_* functions are PHP5 only. I've
 wrapped them in function_exists() conditional structures.

---
 lib/xmldb/classes/XMLDBFile.class.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/xmldb/classes/XMLDBFile.class.php b/lib/xmldb/classes/XMLDBFile.class.php
index 6e5dfdc5db1..a4df7668936 100644
--- a/lib/xmldb/classes/XMLDBFile.class.php
+++ b/lib/xmldb/classes/XMLDBFile.class.php
@@ -76,7 +76,10 @@ class XMLDBFile extends XMLDBObject {
     /// Going to perform complete DOM schema validation
         if (extension_loaded('dom')) {
         /// Let's capture errors
-            libxml_use_internal_errors(true);
+        if (function_exists('libxml_use_internal_errors')) {
+            libxml_use_internal_errors(true); // This function is PHP5 only (MDL-8730)
+        }
+
         /// Create and load XML file
             $parser = new DOMDocument();
             $parser->load($this->path);
@@ -85,7 +88,11 @@ class XMLDBFile extends XMLDBObject {
                 $parser->schemaValidate($this->schema);
             }
         /// Check for errors
-            $errors = libxml_get_errors();
+            $errors = false;
+            if (function_exists('libxml_get_errors')) {
+                $errors = libxml_get_errors();
+            }
+
         /// Prepare errors
             if (!empty($errors)) {
             /// Create one structure to store errors