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class-parents.xml
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144 lines (132 loc) · 3.42 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 60af8c2b746d51c1556cc2ddc4d4163222347b96 Maintainer: PhilDaiguille Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="function.class-parents" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>class_parents</refname>
<refpurpose>
Devuelve las clases padres de una clase
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>array</type><type>false</type></type><methodname>class_parents</methodname>
<methodparam><type class="union"><type>object</type><type>string</type></type><parameter>object_or_class</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>autoload</parameter><initializer>&true;</initializer></methodparam>
</methodsynopsis>
<para>
<function>class_parents</function> devuelve un array con el
nombre de las clases padres de la clase <parameter>object_or_class</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>object_or_class</parameter></term>
<listitem>
<para>
Un objeto (instancia) o un string (nombre de la clase).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>autoload</parameter></term>
<listitem>
<para>
Define si debe <link linkend="language.oop5.autoload">autocargarse</link>
si no está ya autocargado.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Un array en caso de éxito, o &false; cuando la clase dada no existe.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Ejemplo con <function>class_parents</function></title>
<programlisting role="php">
<![CDATA[
<?php
class foo { }
class bar extends foo {}
print_r(class_parents(new bar));
// También puede especificarse el argumento como un string
print_r(class_parents('bar'));
spl_autoload_register();
// Uso del autoloading para cargar la clase 'not_loaded'
print_r(class_parents('not_loaded', true));
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[foo] => foo
)
Array
(
[foo] => foo
)
Array
(
[parent_de_not_loaded] => parent_de_not_loaded
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
<note>
<simpara>
Es preferible utilizar &instanceof; o la función <function>is_a</function>
para verificar que un objeto implementa una interfaz.
</simpara>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>class_implements</function></member>
<member><function>is_a</function></member>
<member>&instanceof;</member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->