Slightly improved code in drupal_xml_parser_create.

includes/common.inc

@@ -1279,29 +1279,26 @@ function drupal_xml_parser_create(&$data) {
   if (!in_array(strtolower($encoding), $php_supported)) {
     if (function_exists('iconv')) {
       $out = @iconv($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.", $encoding)); 
       return 0;
     }
+
+    if ($out !== false) {
+      $data = $out;
+      $encoding = 'utf-8';
+    }
+    else {
+      watchdog(t("Could not convert XML encoding '%s' to UTF-8.", $encoding)); 
+      return 0;
+    }
   }
 
   $xml_parser = xml_parser_create($encoding);