| Marcus Boerger 2004-09-29, 8:04 pm |
| helly Wed Sep 29 15:53:43 2004 EDT
Modified files:
/phpdoc/en/language/oop5 final.xml
Log:
- Include final classes
http://cvs.php.net/diff.php/phpdoc/...1.4&r2=1.5&ty=u
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 class (BaseClass)
+?>
+]]>
+ </programlisting>
+ </example>
</sect1>
<!-- Keep this comment at the end of the file
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