cvs: phpdoc /en/language/oop5 final.xml

helly		Wed Sep 29 15:53:43 2004 EDT

Modified files:
/phpdoc/en/language/oop5	final.xml
Log:
- Include final classes

[url]http://cvs.php.net/diff.php/phpdoc/en/language/oop5/final.xml?r1=1.4&r2=1.5&ty=u[/
url]
Index: phpdoc/en/language/oop5/final.xml
diff -u phpdoc/en/language/oop5/final.xml:1.4 phpdoc/en/language/oop5/final.
xml:1.5
--- phpdoc/en/language/oop5/final.xml:1.4	Mon Sep 27 10:38:44 2004
+++ phpdoc/en/language/oop5/final.xml	Wed Sep 29 15:53:43 2004
@@ -1,10 +1,11 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
<sect1 id="language.oop5.final">
<title>Final Keyword</title>
<para>
PHP 5 introduces the final keyword, which prevents child classes from
-   overriding a method by prefixing the definition with final.
+   overriding a method by prefixing the definition with final. If the class
+   itself is being defined final then it cannot be extended.
</para>

<example>
@@ -33,6 +34,29 @@
</programlisting>
</example>

+  <example>
+   <title>Final class example</title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+final class BaseClass {
+   public function test() {
+       echo "BaseClass::test() called\n";
+   }
+
+   // Here it doesn't matter if you specify the function as final or not
+   final public function moreTesting() {
+       echo "BaseClass::moreTesting() called\n";
+   }
+}
+
+class ChildClass extends BaseClass {
+}
+// Results in Fatal error: Class ChildClass may not inherit from final clas
s (BaseClass)
+?>
+]]>
+   </programlisting>
+  </example>
</sect1>

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