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-rw-r--r--mod/search/pages/search/index.php7
1 files changed, 6 insertions, 1 deletions
diff --git a/mod/search/pages/search/index.php b/mod/search/pages/search/index.php
index c4e8d2219..efa3ec037 100644
--- a/mod/search/pages/search/index.php
+++ b/mod/search/pages/search/index.php
@@ -19,7 +19,12 @@ $query = stripslashes(get_input('q', get_input('tag', '')));
// @todo - create function for sanitization of strings for display in 1.8
// encode <,>,&, quotes and characters above 127
-$display_query = mb_convert_encoding($query, 'HTML-ENTITIES', 'UTF-8');
+if (function_exists('mb_convert_encoding')) {
+ $display_query = mb_convert_encoding($query, 'HTML-ENTITIES', 'UTF-8');
+} else {
+ // if no mbstring extension, we just strip characters
+ $display_query = preg_replace("/[^\x01-\x7F]/", "", $query);
+}
$display_query = htmlspecialchars($display_query, ENT_QUOTES, 'UTF-8', false);
// check that we have an actual query