From 23b59804119948f9e18834deaeef355b2a83e434 Mon Sep 17 00:00:00 2001
From: Derick Rethans <derick@php.net>
Date: Sat, 28 Dec 2002 15:52:27 +0000
Subject: [PATCH] - Add note on &nbsp;

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@109281 c90b9560-bf6c-de11-be94-00142212c4b1
---
 .../strings/functions/html-entity-decode.xml  | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/reference/strings/functions/html-entity-decode.xml b/reference/strings/functions/html-entity-decode.xml
index bc7939cf58..6f2561bc7f 100644
--- a/reference/strings/functions/html-entity-decode.xml
+++ b/reference/strings/functions/html-entity-decode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.html-entity-decode">
    <refnamediv>
@@ -77,9 +77,9 @@ echo $b; // I'll "walk" the <b>dog</b> now
 // For users prior to PHP 4.3.0 you may do this:
 function unhtmlentities ($string)
 {
-	$trans_tbl = get_html_translation_table (HTML_ENTITIES);
-	$trans_tbl = array_flip ($trans_tbl);
-	return strtr ($string, $trans_tbl);
+    $trans_tbl = get_html_translation_table (HTML_ENTITIES);
+    $trans_tbl = array_flip ($trans_tbl);
+    return strtr ($string, $trans_tbl);
 }
 
 $c = unhtmlentities($a);
@@ -91,6 +91,17 @@ echo $c; // I'll "walk" the <b>dog</b> now
       </programlisting>
      </example>
     </para>
+    <para>
+     <note>
+      <para>
+       You might wonder why trim(html_entity_decode('&amp;nbsp;')); doesn't
+       reduce the string to an empty string, that's because the '&amp;nbsp;'
+       entity is not ASCII code 32 (which is stripped by
+       <function>trim</function>) but ASCII code 160 (0xa0) in the default ISO
+       8859-1 characterset.
+      </para>
+     </note>
+    </para>
     <para>
      See also <function>htmlentities</function>,
      <function>htmlspecialchars</function>,