From 6882d96bf8f8b6f602c5c02842eba286f376ad62 Mon Sep 17 00:00:00 2001
From: Juan Basso <jrbasso@gmail.com>
Date: Tue, 19 Jan 2010 09:31:27 -0200
Subject: [PATCH] Caching charset in h(). It's save round 50% over each call by
 helpers.

---
 cake/basics.php | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/cake/basics.php b/cake/basics.php
index 7a48b628b..b20854da6 100644
--- a/cake/basics.php
+++ b/cake/basics.php
@@ -204,13 +204,19 @@ if (!function_exists('array_combine')) {
 		if (is_array($text)) {
 			return array_map('h', $text);
 		}
-		if (empty($charset)) {
-			$charset = Configure::read('App.encoding');
+
+		static $defaultCharset = false;
+		if ($defaultCharset === false) {
+			$defaultCharset = Configure::read('App.encoding');
+			if ($defaultCharset === null) {
+				$defaultCharset = 'UTF-8';
+			}
 		}
-		if (empty($charset)) {
-			$charset = 'UTF-8';
+		if ($charset) {
+			return htmlspecialchars($text, ENT_QUOTES, $charset);
+		} else {
+			return htmlspecialchars($text, ENT_QUOTES, $defaultCharset);
 		}
-		return htmlspecialchars($text, ENT_QUOTES, $charset);
 	}
 
 /**