mirror of
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d20fadcbae
Sync 40 Spanish translation files with latest English source changes: - context/, wrappers/: bump hashes (role attributes already applied) - control-structures/: indentation and typo fixes - oop5/final: indentation restructure, split note blocks - oop5/property-hooks: add missing property declaration in example - oop5/visibility: add PHP 8.5 asymmetric visibility for static properties - operators/precedence: add pipe operator and throw rows - predefined/attributes: add TARGET_CONSTANT for PHP 8.5 - predefined/closure: add getcurrent entity reference - predefined/*: bump hashes (phpdoc entity changes already applied)
134 lines
3.2 KiB
XML
134 lines
3.2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 907f8ab64150c8503cb9f33d274ab6a7211b86a3 Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<sect1 xml:id="language.oop5.final" xmlns="http://docbook.org/ns/docbook">
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<title>Palabra clave "final"</title>
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<para>
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La palabra clave <literal>final</literal> impide que las clases hijas redefinan
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un método, una propiedad o constante prefijando la definición con
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<literal>final</literal>. Si la clase misma es
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definida como final, no podrá ser extendida.
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</para>
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<para>
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<example>
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<title>Ejemplo de método final</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() llamada\n";
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}
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final public function moreTesting() {
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echo "BaseClass::moreTesting() llamada\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() llamada\n";
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}
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}
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// Resultado: 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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</para>
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<para>
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<example>
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<title>Ejemplo de clase final</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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final class BaseClass {
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public function test() {
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echo "BaseClass::test() llamada\n";
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}
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// Como la clase ya es final, la palabra clave final es redundante
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final public function moreTesting() {
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echo "BaseClass::moreTesting() llamada\n";
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}
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}
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class ChildClass extends BaseClass {
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}
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// Resultado: Fatal error: Class ChildClass may not inherit from final class (BaseClass)
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?>
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]]>
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</programlisting>
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</example>
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</para>
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<example>
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<title>Ejemplo de propiedad final a partir de PHP 8.4.0</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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final protected string $test;
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}
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class ChildClass extends BaseClass {
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public string $test;
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}
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// Resultado: Error fatal: Imposible redefinir la propiedad final BaseClass::$test
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?>
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]]>
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</programlisting>
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</example>
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<example xml:id="language.oop5.final.example.php81">
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<title>Ejemplo de constantes finales a partir de PHP 8.1.0</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class Foo
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{
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final public const X = "foo";
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}
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class Bar extends Foo
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{
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public const X = "bar";
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}
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// Fatal error: Bar::X cannot override final constant Foo::X
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?>
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]]>
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</programlisting>
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</example>
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<note>
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<simpara>
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A partir de PHP 8.0.0, los métodos privados no pueden ser declarados finales, con la excepción del <link linkend="language.oop5.decon.constructor">constructor</link>.
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</simpara>
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</note>
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<note>
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<simpara>
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Una propiedad declarada <link linkend="language.oop5.visibility-members-aviz"><literal>private(set)</literal></link> es
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implícitamente <literal>final</literal>.
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</simpara>
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</note>
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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:"~/.phpdoc/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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