From ffc7a9431dc7af50d3ba379eb5209bb91489537b Mon Sep 17 00:00:00 2001
From: ali <ali@php.net>
Date: Sat, 16 Aug 2003 01:29:37 +0000
Subject: [PATCH] fixed #20437 by adding a note

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@137922 c90b9560-bf6c-de11-be94-00142212c4b1
---
 language/variables.xml | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/language/variables.xml b/language/variables.xml
index 285fc71fa3..33226506eb 100644
--- a/language/variables.xml
+++ b/language/variables.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.68 $ -->
+<!-- $Revision: 1.69 $ -->
  <chapter id="language.variables">
   <title>Variables</title>
   
@@ -552,6 +552,33 @@ function Test()
      </programlisting>
     </example>
    </para>
+
+    <note>  
+     <para>  
+       Static variables maybe declared as seen in the examples above. 
+       Trying to assign values to these variables which are the 
+       result of expressions will cause a parse error.
+     </para> 
+     <para>  
+      <example>
+       <title>Declaring static variables</title>
+       <programlisting role="php">
+<![CDATA[
+<?php
+function foo(){
+    static $int = 0;          // correct 
+    static $int = 1+2;        // wrong  (as it is an expression)
+    static $int = sqrt(121);  // wrong  (as it is an expression too)
+
+    $int++;
+    echo $int;
+}
+?>
+]]>
+      </programlisting>
+     </example>
+    </para> 
+   </note> 			
   </sect2>
 
   <sect2 id="language.variables.scope.references">