[PHP-DOC] cvs: phpdoc /en/language control-structures.xml

[jim winstead]

jimw            Thu Dec 20 18:17:37 2001 EDT

  Modified files:              
    /phpdoc/en/language control-structures.xml 
  Log:
  if: link to information on what evaluates to &false;
  
Index: phpdoc/en/language/control-structures.xml
diff -u phpdoc/en/language/control-structures.xml:1.47 
phpdoc/en/language/control-structures.xml:1.48
--- phpdoc/en/language/control-structures.xml:1.47      Mon Dec 17 18:00:19 2001
+++ phpdoc/en/language/control-structures.xml   Thu Dec 20 18:17:37 2001
@@ -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 @@
     </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