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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@164123 c90b9560-bf6c-de11-be94-00142212c4b1
57 lines
1.3 KiB
XML
57 lines
1.3 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<sect1 id="language.oop5.final">
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<title>Final Keyword</title>
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<para>
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PHP 5 introduces the final keyword, which prevents child classes from
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overriding a method or variable by prefixing the definition with final.
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</para>
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<example>
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<title>Final methods example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class BaseClass {
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public function test() {
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echo "BaseClass::test() called\n";
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}
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final public function moreTesting() {
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echo "BaseClass::moreTesting() called\n";
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}
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}
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class ChildClass extends BaseClass {
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public function moreTesting() {
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echo "ChildClass::moreTesting() called\n";
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}
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}
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// Results in Fatal error: Cannot override final method BaseClass::moreTesting()
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?>
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]]>
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</programlisting>
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</example>
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</sect1>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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