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property-exists.xml
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131 lines (123 loc) · 3.43 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: a4fb7f59310a598b8cb8ca1daa47e557f32ae66e Maintainer: nilgun Status: ready -->
<refentry xml:id="function.property-exists" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>property_exists</refname>
<refpurpose>Bir nesne veya sınıfın belirtilen özelliğe sahip olup olmadığına bakar</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>property_exists</methodname>
<methodparam><type class="union"><type>object</type><type>string</type></type><parameter>nesne_veya_sınıf</parameter></methodparam>
<methodparam><type>string</type><parameter>özellik</parameter></methodparam>
</methodsynopsis>
<para>
Bu işlev, belirtilen <parameter>nesne_veya_sınıf</parameter>ın belirtilen
<parameter>özellik</parameter> özelliğine sahip olup olmadığına bakar.
</para>
<note>
<para>
<function>isset</function> işlevinin tersine,
<function>property_exists</function> işlevi, özelliğin değeri &null; olsa
bile &true; döndürür.
</para>
</note>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>nesne_veya_sınıf</parameter></term>
<listitem>
<para>
Sınanacak sınıf veya nesne.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>özellik</parameter></term>
<listitem>
<para>
Aranacak özelliğin ismi.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Özellik mevcutsa &true;, değilse &false; döner.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>- <function>property_exists</function> örneği</title>
<programlisting role="php">
<![CDATA[
<?php
class myClass {
public $mine;
private $xpto;
static protected $test;
static function test() {
var_dump(property_exists('myClass', 'xpto')); //true
}
}
var_dump(property_exists('myClass', 'mine')); //true
var_dump(property_exists(new myClass, 'mine')); //true
var_dump(property_exists('myClass', 'xpto')); //true
var_dump(property_exists('myClass', 'bar')); //false
var_dump(property_exists('myClass', 'test')); //true
myClass::test();
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
¬e.uses-autoload;
<note>
<para>
<function>property_exists</function> işlevi <link
linkend="language.oop5.overloading.members"><literal>__get</literal></link>
kullanarak sihirli olarak ulaşılabilen özellikleri saptayamaz.
</para>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>method_exists</function></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
-->