From be9aacaa5296dfca63fb3a01c2dc52538d1546aa Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Sat, 17 Nov 2012 12:31:31 -0500
Subject: [PATCH] Bring back lost localization for the about page

---
 program/include/rcube_utils.php |   22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/program/include/rcube_utils.php b/program/include/rcube_utils.php
index defb2ae..dfaa9b9 100644
--- a/program/include/rcube_utils.php
+++ b/program/include/rcube_utils.php
@@ -24,7 +24,8 @@
 /**
  * Utility class providing common functions
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Utils
  */
 class rcube_utils
 {
@@ -94,7 +95,7 @@
 
         // Validate domain part
         if (preg_match('/^\[((IPv6:[0-9a-f:.]+)|([0-9.]+))\]$/i', $domain_part, $matches)) {
-            return self::ip_check(preg_replace('/^IPv6:/i', '', $matches[1])); // valid IPv4 or IPv6 address
+            return self::check_ip(preg_replace('/^IPv6:/i', '', $matches[1])); // valid IPv4 or IPv6 address
         }
         else {
             // If not an IP address
@@ -154,7 +155,7 @@
      *
      * @return bool True if the address is valid
      */
-    public static function ip_check($ip)
+    public static function check_ip($ip)
     {
         // IPv6, but there's no build-in IPv6 support
         if (strpos($ip, ':') !== false && !defined('AF_INET6')) {
@@ -200,8 +201,8 @@
     public static function check_referer()
     {
         $uri = parse_url($_SERVER['REQUEST_URI']);
-        $referer = parse_url(rcube_request_header('Referer'));
-        return $referer['host'] == rcube_request_header('Host') && $referer['path'] == $uri['path'];
+        $referer = parse_url(self::request_header('Referer'));
+        return $referer['host'] == self::request_header('Host') && $referer['path'] == $uri['path'];
     }
 
 
@@ -220,6 +221,10 @@
         static $html_encode_arr = false;
         static $js_rep_table = false;
         static $xml_rep_table = false;
+
+        if (!is_string($str)) {
+            $str = strval($str);
+        }
 
         // encode for HTML output
         if ($enctype == 'html') {
@@ -245,9 +250,6 @@
             }
 
             $out = strtr($str, $encode_arr);
-
-            // avoid douple quotation of &
-            $out = preg_replace('/&amp;([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', $out);
 
             return $newlines ? nl2br($out) : $out;
         }
@@ -678,7 +680,7 @@
         // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided
         if (strpos($name, '%s') !== false) {
             $user_email = self::get_input_value('_user', self::INPUT_POST);
-            $user_email = rcube_utils::idn_convert($user_email, true);
+            $user_email = self::idn_convert($user_email, true);
             $matches    = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s);
             if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) {
                 return false;
@@ -760,7 +762,7 @@
             }
         }
 
-        $result[] = substr($string, $p);
+        $result[] = (string) substr($string, $p);
 
         return $result;
     }

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