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<div id="function.array-reduce" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">array_reduce</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.5, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">array_reduce</span> &mdash; <span class="dc-title">Bir geriçağırım işlevini dizinin bütün elemanlarına tek tek
  uygulayıp sonucu döndürür</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.array-reduce-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>array_reduce</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$girdi</code></span>, <span class="methodparam"><span class="type">callback</span> <code class="parameter">$işlev</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$ilk_değer</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>array_reduce()</strong></span> işlevi <code class="parameter">işlev</code>
   işlevini <code class="parameter">girdi</code> dizisinin bütün elemanlarına tek tek
   uygulayıp sonucu döndürür.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.array-reduce-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">girdi</code></dt>
     <dd>
      <p class="para">
       Girdi olarak bir dizi.
      </p>
     </dd>
    
    
     <dt><code class="parameter">işlev</code></dt>
     <dd>
      <div class="methodsynopsis dc-description">
       <span class="methodname"><span class="replaceable">işlev</span></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$önceki</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$şimdiki</code></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>

      <dl>
       
        <dt><code class="parameter">önceki</code></dt>
        <dd>
         <p class="para">
          Önceki yinelemenin dönüş değerini tutar. İlk yineleme için
          <code class="parameter">ilk_değer</code>&#039;in değeridir.
         </p>
        </dd>
       
       
        <dt><code class="parameter">şimdiki</code></dt>
        <dd>
         <p class="para">
          Geçerli yinelemenin değerini tutar.
         </p>
        </dd>
       
      </dl>
     </dd>
    
    
     <dt><code class="parameter">ilk_değer</code></dt>
     <dd>
      <p class="para">
       Seçimlik <code class="parameter">ilk_değer</code> bağımsız değişkeni verilmişse ve
       dizi boşsa işlevin dönüş değeri <code class="parameter">ilk_değer</code>  olur,
       aksi takdirde <code class="parameter">ilk_değer</code> işleme sokulan ilk değer
       olur.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.array-reduce-returnvalues">
  <h3 class="title">Dönen Değerler</h3>
  <p class="para">
   Elde edilen sonucu döndürür.
  </p>
  <p class="para">
   Eğer dizi boşsa ve bir <code class="parameter">ilk_değer</code> belirtilmemişse
   <span class="function"><strong>array_reduce()</strong></span> <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> döndürür.
  </p>
 </div>

 <div class="refsect1 changelog" id="refsect1-function.array-reduce-changelog">
  <h3 class="title">Sürüm Bilgisi</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Sürüm: </th>
      <th>Açıklama</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
 <td>8.0.0</td>
 <td>
  Eğer <code class="parameter">işlev</code>e bağımsız değişkenlerinden biri gönderimli
  aktarılıyorsa, bu artık <strong><code><a href="errorfunc.constants.php#constant.e-warning">E_WARNING</a></code></strong> seviyesinde
  bir uyarıya sebep oluyor.
 </td>
</tr>

    </tbody>
   
  </table>

 </div>

 <div class="refsect1 examples" id="refsect1-function.array-reduce-examples">
  <h3 class="title">Örnekler</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Örnek 1 - <span class="function"><strong>array_reduce()</strong></span> örneği</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">topla</span><span style="color: #007700">(</span><span style="color: #0000BB">$önceki</span><span style="color: #007700">, </span><span style="color: #0000BB">$şimdiki</span><span style="color: #007700">)<br />{<br />    </span><span style="color: #0000BB">$önceki </span><span style="color: #007700">+= </span><span style="color: #0000BB">$şimdiki</span><span style="color: #007700">;<br />    return </span><span style="color: #0000BB">$önceki</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">çarp</span><span style="color: #007700">(</span><span style="color: #0000BB">$önceki</span><span style="color: #007700">, </span><span style="color: #0000BB">$şimdiki</span><span style="color: #007700">)<br />{<br />    </span><span style="color: #0000BB">$önceki </span><span style="color: #007700">*= </span><span style="color: #0000BB">$şimdiki</span><span style="color: #007700">;<br />    return </span><span style="color: #0000BB">$önceki</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$a </span><span style="color: #007700">= array(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$x </span><span style="color: #007700">= array();<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">array_reduce</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #DD0000">"topla"</span><span style="color: #007700">)); </span><span style="color: #FF8000">// int(15)<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">array_reduce</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #DD0000">"çarp"</span><span style="color: #007700">, </span><span style="color: #0000BB">10</span><span style="color: #007700">)); </span><span style="color: #FF8000">// int(1200), çünkü: 10*1*2*3*4*5<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">array_reduce</span><span style="color: #007700">(</span><span style="color: #0000BB">$x</span><span style="color: #007700">, </span><span style="color: #DD0000">"topla"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Yeterli veri yok "</span><span style="color: #007700">)); </span><span style="color: #FF8000">// string(17) "Yeterli veri yok "<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.array-reduce-seealso">
  <h3 class="title">Ayrıca Bakınız</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.array-filter.php" class="function" rel="rdfs-seeAlso">array_filter()</a> - Bir dizinin elemanlarını bir geri&ccedil;ağırım işleviyle s&uuml;zge&ccedil;ten
  ge&ccedil;irir</span></li>
    <li><span class="function"><a href="function.array-map.php" class="function" rel="rdfs-seeAlso">array_map()</a> - Belirtilen dizilerin elemanlarına geri&ccedil;ağırım işlevini uygular</span></li>
    <li><span class="function"><a href="function.array-unique.php" class="function" rel="rdfs-seeAlso">array_unique()</a> - Diziden yinelenen değerleri siler</span></li>
    <li><span class="function"><a href="function.array-count-values.php" class="function" rel="rdfs-seeAlso">array_count_values()</a> - Bir dizideki her farklı değerlerle ilgili oluşumları sayar</span></li>
   </ul>
  </p>
 </div>

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