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?>
<div id="function.array-keys" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">array_keys</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">array_keys</span> &mdash; <span class="dc-title">Bir dizideki tüm anahtarları veya bir anahtar altkümesini döndürür</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.array-keys-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>array_keys</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$dizi</code></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <div class="methodsynopsis dc-description"><span class="methodname"><strong>array_keys</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$dizi</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$süzme_değeri</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$aynısı</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong></span></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>array_keys()</strong></span> işlevi <code class="parameter">dizi</code>
   dizisindeki sayısal ve dizgesel anahtarları döndürür.
  </p>
  <p class="para">
   <code class="parameter">süzme_değeri</code> belirtilmişse
   sadece bu değere sahip anahtarlar döndürülür. Aksi takdirde
   <code class="parameter">dizi</code> dizisindeki tüm anahtarlar döndürülür.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.array-keys-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">dizi</code></dt>
     <dd>
      <p class="para">
       Döndürülecek anahtarları içeren dizi.
      </p>
     </dd>
    
    
     <dt><code class="parameter">süzme_değeri</code></dt>
     <dd>
      <p class="para">
       Belirtilmişse sadece bu değeri içeren anahtarlar döndürülür.
      </p>
     </dd>
    
    
     <dt><code class="parameter">aynısı</code></dt>
     <dd>
      <p class="para">
       Arama sırasında tam karşılaştırma (===) yapılır.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.array-keys-returnvalues">
  <h3 class="title">Dönen Değerler</h3>
  <p class="para">
   <code class="parameter">dizi</code> dizisindeki anahtarları içeren bir dizi
   döndürür.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.array-keys-examples">
  <h3 class="title">Örnekler</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Örnek 1 - <span class="function"><strong>array_keys()</strong></span> örneği</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$array </span><span style="color: #007700">= array(</span><span style="color: #0000BB">0 </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #DD0000">"color" </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"red"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_keys</span><span style="color: #007700">(</span><span style="color: #0000BB">$array</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$array </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"blue"</span><span style="color: #007700">, </span><span style="color: #DD0000">"red"</span><span style="color: #007700">, </span><span style="color: #DD0000">"green"</span><span style="color: #007700">, </span><span style="color: #DD0000">"blue"</span><span style="color: #007700">, </span><span style="color: #DD0000">"blue"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_keys</span><span style="color: #007700">(</span><span style="color: #0000BB">$array</span><span style="color: #007700">, </span><span style="color: #DD0000">"blue"</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$array </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"color" </span><span style="color: #007700">=&gt; array(</span><span style="color: #DD0000">"blue"</span><span style="color: #007700">, </span><span style="color: #DD0000">"red"</span><span style="color: #007700">, </span><span style="color: #DD0000">"green"</span><span style="color: #007700">),<br />               </span><span style="color: #DD0000">"size"  </span><span style="color: #007700">=&gt; array(</span><span style="color: #DD0000">"small"</span><span style="color: #007700">, </span><span style="color: #DD0000">"medium"</span><span style="color: #007700">, </span><span style="color: #DD0000">"large"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_keys</span><span style="color: #007700">(</span><span style="color: #0000BB">$array</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>
Yukarıdaki örneğin çıktısı:</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Array
(
    [0] =&gt; 0
    [1] =&gt; color
)
Array
(
    [0] =&gt; 0
    [1] =&gt; 3
    [2] =&gt; 4
)
Array
(
    [0] =&gt; color
    [1] =&gt; size
)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.array-keys-seealso">
  <h3 class="title">Ayrıca Bakınız</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.array-values.php" class="function" rel="rdfs-seeAlso">array_values()</a> - Bir dizinin t&uuml;m değerlerini d&ouml;nd&uuml;r&uuml;r</span></li>
    <li><span class="function"><a href="function.array-combine.php" class="function" rel="rdfs-seeAlso">array_combine()</a> - Anahtarlar i&ccedil;in bir dizi, değerler i&ccedil;in ise başka bir dizi
  kullanarak bir ilişkisel dizi oluşturur</span></li>
    <li><span class="function"><a href="function.array-key-exists.php" class="function" rel="rdfs-seeAlso">array_key_exists()</a> - Belirtilen anahtar veya indis dizide var mı diye bakar</span></li>
    <li><span class="function"><a href="function.array-search.php" class="function" rel="rdfs-seeAlso">array_search()</a> - Bir dizide belirtilen değeri arar ve bulursa ilgili ilk anahtarı
  d&ouml;nd&uuml;r&uuml;r</span></li>
   </ul>
  </p>
 </div>

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