fix. function is broken if it runs on string without html entities

[squirrelmail.git] / functions / encode / utf_8.php

diff --git a/functions/encode/utf_8.php b/functions/encode/utf_8.php
index e788452ef58a705cf2e368546332b8adac6b624a..d455e1096e9979d97e9dd6de2e86465477e29ee8 100644 (file)
--- a/functions/encode/utf_8.php
+++ b/functions/encode/utf_8.php
@@ -20,6 +20,10 @@
  * @return a utf-8 encoded string [STRING]
  */
 function charset_encode_utf_8 ($source) {
+
+   // don't run though encoding function, if there is no encoded characters
+   if (! preg_match("'&#'",$source) ) return $source;
+
    $utf8Str = '';
    $entityArray = explode ("&#", $source);
    $size = count ($entityArray);