archived-doc-tr/reference/array/functions/array-key-exists.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 876c81c602fe21a5404b74ed5e412198f632eac0 Maintainer: nilgun Status: ready -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.array-key-exists">
 <refnamediv>
  <refname>array_key_exists</refname>
  <refpurpose>Belirtilen anahtar veya indis dizide var mı diye bakar
  </refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>array_key_exists</methodname>
   <methodparam><type>mixed</type><parameter>anahtar</parameter></methodparam>
   <methodparam><type>array</type><parameter>dizi</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>array_key_exists</function> işlevi <parameter>anahtar</parameter>
   dizide varsa &true; döndürür. <parameter>anahtar</parameter> yerine bir
   indis de belirtilebilir.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>anahtar</parameter></term>
     <listitem>
      <para>
       Aranacak anahtar veya indis.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>dizi</parameter></term>
     <listitem>
      <para>
       Anahtarın aranacağı dizi.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>5.3.0</entry>
       <entry>
        Bu işlev artık nesnelerle çalışmamaktadır. Nesneler için
        <function>property_exists</function> işlevi kullanılmalıdır.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>- <function>array_key_exists</function> örneği</title>
    <programlisting role="php">
<![CDATA[
<?php
$dizi = array('ilk' => 1, 'ikinci' => 4);
if (array_key_exists('ilk', $dizi)) {
    echo "'ilk' elememanı dizide mevcut";
}
?>
]]>
    </programlisting>
   </example>
  </para>
  <note>
   <simpara>
    İşlevin ismi PHP 4.0.6'da <function>key_exists</function> idi.
   </simpara>
  </note>
  <example>
   <title>- <function>array_key_exists</function> işlevine karşı
   <function>isset</function></title>
   <para>
    <function>isset</function> işlevi &null; değerli dizi anahtarları için
    &true; döndürmez ama <function>array_key_exists</function> döndürür.
   </para>
   <programlisting role="php">
<![CDATA[
<?php
$dizi = array('ilk' => null, 'ikinci' => 4);

// false döner
isset($dizi['ilk']);

// true döner
array_key_exists('ilk', $dizi);
?>
]]>
   </programlisting>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>isset</function></member>
    <member><function>array_keys</function></member>
    <member><function>in_array</function></member>
    <member><function>property_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:"../../../../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
-->