From b0ac4796a69d1640b0e6150cc2b02a6ae7e59cff Mon Sep 17 00:00:00 2001
From: Dries <dries@buytaert.net>
Date: Tue, 24 Jan 2012 20:18:44 -0500
Subject: - Patch #1346166 by Dave Reid: Improve performance of token_replace()
 if there are no tokens to replace.

---
 includes/token.inc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'includes')

diff --git a/includes/token.inc b/includes/token.inc
index edc8a962f..0b05c68f4 100644
--- a/includes/token.inc
+++ b/includes/token.inc
@@ -77,8 +77,13 @@
  *   Text with tokens replaced.
  */
 function token_replace($text, array $data = array(), array $options = array()) {
+  $text_tokens = token_scan($text);
+  if (empty($text_tokens)) {
+    return $text;
+  }
+
   $replacements = array();
-  foreach (token_scan($text) as $type => $tokens) {
+  foreach ($text_tokens as $type => $tokens) {
     $replacements += token_generate($type, $tokens, $data, $options);
     if (!empty($options['clear'])) {
       $replacements += array_fill_keys($tokens, '');
-- 
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