From 3161005d07beb46bb8a866ec56a768938571ec9d Mon Sep 17 00:00:00 2001
From: Andreas Gohr <andi@splitbrain.org>
Date: Mon, 12 Nov 2012 21:22:26 +0100
Subject: check for unicode preg capabilities in UTF-8 lib FS#2636

We now have two defines for checking for UTF-8 and Unicode property
support in PREG and use them to work around FS#2636 on older systems.
---
 inc/fulltext.php | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'inc/fulltext.php')

diff --git a/inc/fulltext.php b/inc/fulltext.php
index eab8850dc..7ee386063 100644
--- a/inc/fulltext.php
+++ b/inc/fulltext.php
@@ -394,10 +394,17 @@ function ft_snippet_re_preprocess($term) {
         return $term;
     }
 
-    // unicode word boundaries
-    // see http://stackoverflow.com/a/2449017/172068
-    $BL = '(?<!\pL)';
-    $BR = '(?!\pL)';
+    if (UTF8_PROPERTYSUPPORT) {
+        // unicode word boundaries
+        // see http://stackoverflow.com/a/2449017/172068
+        $BL = '(?<!\pL)';
+        $BR = '(?!\pL)';
+    } else {
+        // not as correct as above, but at least won't break
+        $BL = '\b';
+        $BR = '\b';
+    }
+
 
     if(substr($term,0,2) == '\\*'){
         $term = substr($term,2);
-- 
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