X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fimap_utf7_local.php;h=9a15db9b21814e3c6e5f079e14ffebaa6a5ab6c5;hb=8b096f0a2427cf0019f4dc4433a3e02b9f6f5951;hp=ecaa7ca3f03a2c9d5f0a0c20af80c29dd017d061;hpb=c23c2cd0639bba582aec4da9f612df18bf95e4ca;p=squirrelmail.git

diff --git a/functions/imap_utf7_local.php b/functions/imap_utf7_local.php
index ecaa7ca3..9a15db9b 100644
--- a/functions/imap_utf7_local.php
+++ b/functions/imap_utf7_local.php
@@ -9,16 +9,24 @@
  * This implements all functions that do imap UTF7 conversions.
  *
  * $Id$
+ * @package squirrelmail
  */
 
+/**
+ * @param string $str
+ * @param string $to_encoding
+ * @param string $from_encoding
+ * @param string $default_charset
+ * @return string
+ */
 function sqimap_mb_convert_encoding($str, $to_encoding, $from_encoding, $default_charset)
 {
   // Allows mbstring functions only with iso-8859-*, utf-8 and 
   // iso-2022-jp (Japanese)
   // koi8-r and gb2312 can be added only in php 4.3+
-  if ( stristr('iso-8859-',substr($default_charset,0,9)) ||
-       stristr('utf-8',$default_charset) || 
-       stristr('iso-2022-jp',$default_charset) ) {
+  if ( stristr($default_charset, 'iso-8859-') ||
+       stristr($default_charset, 'utf-8') || 
+       stristr($default_charset, 'iso-2022-jp') ) {
     if (function_exists('mb_convert_encoding')) {
       return mb_convert_encoding($str, $to_encoding, $from_encoding);
     }
@@ -214,4 +222,4 @@ function decodeBASE64($s) {
 	return $d;
 }
 
-?>
\ No newline at end of file
+?>