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157 lines
3.8 KiB
XML
157 lines
3.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 57c38808e4eed7fce33992a32b2ffee78dd8004e Maintainer: sobak Status: ready -->
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<!-- $Revision$ -->
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<refentry xml:id="function.method-exists" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>method_exists</refname>
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<refpurpose>Sprawdza czy istnieje metoda klasy</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>method_exists</methodname>
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<methodparam><type class="union"><type>object</type><type>string</type></type><parameter>object_or_class</parameter></methodparam>
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<methodparam><type>string</type><parameter>method</parameter></methodparam>
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</methodsynopsis>
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<para>
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Sprawdza czy metoda klasy istnieje w ramach klasy lub obiektu podanych jako
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<parameter>object_or_class</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>object_or_class</parameter></term>
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<listitem>
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<para>
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Instancja obiektu lub nazwa klasy
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>method</parameter></term>
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<listitem>
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<para>
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Nazwa metody
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Zwraca &true; jeżeli metoda podana jako <parameter>method</parameter>
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została zdefiniowana dla podanego <parameter>object_or_class</parameter>, &false;
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w przeciwnym wypadku.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>7.4.0</entry>
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<entry>
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Sprawdzenia klasy dla odziedziczonych metod prywatnych zwracają teraz <parameter>false</parameter>.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Przykład użycia <function>method_exists</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$directory = new Directory('.');
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var_dump(method_exists($directory,'read'));
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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bool(true)
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]]>
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</screen>
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</example>
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<example>
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<title>Przykład statycznego użycia <function>method_exists</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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var_dump(method_exists('Directory','read'));
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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bool(true)
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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¬e.uses-autoload;
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<note>
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<simpara>
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Funkcja <function>method_exists</function> nie wykrywa metod,
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które są dostępne magicznie przy użyciu metody
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<link linkend="language.oop5.overloading.methods"><literal>__call</literal></link>.
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</simpara>
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</note>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>function_exists</function></member>
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<member><function>is_callable</function></member>
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<member><function>class_exists</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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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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