From 7c76608a20c89ad54679fbebb49af55b5b2a0a47 Mon Sep 17 00:00:00 2001
From: Derick Rethans <derick@php.net>
Date: Wed, 28 Aug 2002 09:40:31 +0000
Subject: [PATCH] - Clearify foreach()' behavior on wrong data types

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@93917 c90b9560-bf6c-de11-be94-00142212c4b1
---
 language/control-structures.xml | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/language/control-structures.xml b/language/control-structures.xml
index 675aa4c064..2ba21145b4 100644
--- a/language/control-structures.xml
+++ b/language/control-structures.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.62 $ -->
+<!-- $Revision: 1.63 $ -->
  <chapter id="control-structures">
   <title>Control Structures</title>
 
@@ -472,10 +472,12 @@ for (expr1; expr2; expr3): statement; ...; endfor;
   <sect1 id="control-structures.foreach">
    <title><literal>foreach</literal></title>
    <para>
-    PHP 4 (not PHP 3) includes a <literal>foreach</literal> construct,
-    much like Perl and some other languages. This simply gives an easy
-    way to iterate over arrays. There are two syntaxes; the second is
-    a minor but useful extension of the first:
+    PHP 4 (not PHP 3) includes a <literal>foreach</literal> construct, much
+    like Perl and some other languages. This simply gives an easy way to
+    iterate over arrays. <literal>foreach</literal> works only on arrays, and
+    will issue an error when you try to use it on a variable with a different
+    data type or an uninitialized variables. There are two syntaxes; the
+    second is a minor but useful extension of the first:
     <informalexample>
      <programlisting>
 <![CDATA[