From 77c0b577dac74a7d9941fa6a4be7f1d2ebdc4a90 Mon Sep 17 00:00:00 2001
From: Steven Wittens <steven@10.no-reply.drupal.org>
Date: Mon, 12 Jul 2004 21:35:31 +0000
Subject: Now Drupal tries iconv, recode and mbstring to convert unknown XML
 encodings to UTF-8. It also throws a friendlier error message when none of
 these extensions is installed.

---
 includes/common.inc | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/includes/common.inc b/includes/common.inc
index 972f62947..8ef824dac 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1273,17 +1273,35 @@ function drupal_xml_parser_create(&$data) {
 
   /*
    * Unsupported encodings are converted here into UTF-8.
-   * Requires iconv, see http://www.php.net/iconv
+   * Requires the iconv, GNU recode or mbstring PHP extension.
    */
   $php_supported = array('utf-8', 'iso-8859-1', 'us-ascii');
   if (!in_array(strtolower($encoding), $php_supported)) {
     if (function_exists('iconv')) {
-      $out = iconv($encoding, 'utf-8', $data);
+      $out = @iconv($encoding, 'utf-8', $data);
       if ($out !== false) {
         $data = $out;
         $encoding = 'utf-8';
       }
     }
+    else if (function_exists('mb_convert_encoding')) {
+      $out = @mb_convert_encoding($data, 'utf-8', $encoding);
+      if ($out !== false) {
+        $data = $out;
+        $encoding = 'utf-8';
+      }
+    }
+    else if (function_exists('recode_string')) {
+      $out = @recode_string($encoding . '..utf-8', $data);
+      if ($out !== false) {
+        $data = $out;
+        $encoding = 'utf-8';
+      }
+    }
+    else {
+      watchdog(t("Unsupported XML encoding '%s'. Please install iconv, GNU recode or mbstring for PHP.", $encoding)); 
+      return 0;
+    }
   }
 
   $xml_parser = xml_parser_create($encoding);
-- 
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