From 6248b05d0e7acd9954adee008aab302e10835941 Mon Sep 17 00:00:00 2001
From: "Edward Z. Yang" <edwardzyang@thewritingpot.com>
Date: Sun, 16 Apr 2006 00:37:57 +0000
Subject: [PATCH] Peephole optimization for infinite loop protection code.

git-svn-id: http://htmlpurifier.org/svnroot/html_purifier/trunk@29 48356398-32a2-884e-a903-53898d9a118a
---
 HTML_Lexer.php | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/HTML_Lexer.php b/HTML_Lexer.php
index 53dfc771..cad7d4cf 100644
--- a/HTML_Lexer.php
+++ b/HTML_Lexer.php
@@ -62,8 +62,7 @@ class HTML_Lexer
         while(true) {
             
             // infinite loop protection
-            $loops++;
-            if ($loops > 200000) return array();
+            if (++$loops > 200000) return array();
             
             $position_next_lt = strpos($string, '<', $cursor);
             $position_next_gt = strpos($string, '>', $cursor);
@@ -173,8 +172,7 @@ class HTML_Lexer
             
             // infinite loop protection
             // if we've looped 1000 times, abort. Nothing good can come of this 
-            $loops++;
-            if ($loops > 1000) return array();
+            if (++$loops > 1000) return array();
             
             if ($cursor >= $size) {
                 break;