From 1b7ef904fb7c281500444521be3c707ed1becc41 Mon Sep 17 00:00:00 2001
From: jim winstead <jimw@php.net>
Date: Thu, 20 Dec 2001 23:17:37 +0000
Subject: [PATCH] if: link to information on what evaluates to &false;

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@65790 c90b9560-bf6c-de11-be94-00142212c4b1
---
 language/control-structures.xml | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/language/control-structures.xml b/language/control-structures.xml
index e9150711cc..e279a03784 100644
--- a/language/control-structures.xml
+++ b/language/control-structures.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.47 $ -->
+<!-- $Revision: 1.48 $ -->
  <chapter id="control-structures">
   <title>Control Structures</title>
 
@@ -31,10 +31,14 @@ if (expr)
     </informalexample>
    </para>
    <simpara>
-    As described in the section about expressions, expr is evaluated
-    to its truth value.  If <replaceable>expr</replaceable> evaluates
-    to &true;, PHP will execute statement, and if it
-    evaluates to &false; - it'll ignore it.
+    As described in <link linkend="language.expressions">the section about
+    expressions</link>, <replaceable>expr</replaceable> is evaluated to its
+    Boolean value.  If <replaceable>expr</replaceable> evaluates to &true;,
+    PHP will execute <replaceable>statement</replaceable>, and if it evaluates
+    to &false; - it'll ignore it. More information about what values evaluate
+    to &false; can be found in the <link
+    linkend="language.types.boolean.casting">'Converting to boolean'</link>
+    section>.
    </simpara>
    <para>
     The following example would display <computeroutput>a is bigger