From 7df1c871ff246378060dfacccf25331b9c9b6546 Mon Sep 17 00:00:00 2001
From: Daniel Egeberg <degeberg@php.net>
Date: Wed, 24 Mar 2010 15:33:08 +0000
Subject: [PATCH] Fixed PHP bug #51340 (const keyword inside code blocks causes
parse error)
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@296726 c90b9560-bf6c-de11-be94-00142212c4b1
---
language/constants.xml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/language/constants.xml b/language/constants.xml
index 7d68dd2d42..e5bb26d5fe 100644
--- a/language/constants.xml
+++ b/language/constants.xml
@@ -168,6 +168,16 @@ echo CONSTANT;
</example>
</para>
+ <note>
+ <para>
+ As opposed to defining constants using <function>define</function>,
+ constants defined using the <literal>const</literal> keyword must be
+ declared at the top-level scope because they are defined at compile-time.
+ This means that they cannot be declared inside functions, loops or
+ <literal>if</literal> statements.
+ </para>
+ </note>
+
<simpara>
See also <link linkend="language.oop5.constants">Class Constants</link>.
</simpara>