From 5467607fe1ab31b4651d39268695b3eb15e9015f Mon Sep 17 00:00:00 2001
From: Andreas Gohr <andi@splitbrain.org>
Date: Fri, 18 Jan 2008 22:41:38 +0100
Subject: try to warn about pcre.backtrack_limit errors FS#1258

darcs-hash:20080118214138-7ad00-86962cd0413db95ea19383c4579b3240ad3c4301.gz
---
 inc/parser/lexer.php | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'inc/parser/lexer.php')

diff --git a/inc/parser/lexer.php b/inc/parser/lexer.php
index 88deb7fe9..cf892e0bc 100644
--- a/inc/parser/lexer.php
+++ b/inc/parser/lexer.php
@@ -113,6 +113,11 @@ class Doku_LexerParallelRegex {
         }
 
         if (! preg_match($this->_getCompoundedRegex(), $subject, $matches)) {
+            if(function_exists('preg_last_error')){
+                $err = preg_last_error();
+                if($err == 2) msg('A PCRE backtrack error occured. Try to increase the pcre.backtrack_limit in php.ini',-1);
+            }
+
             $split = array($subject, "", "");
             return false;
         }
-- 
cgit v1.2.3