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<div id="function.preg-filter" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">preg_filter</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">preg_filter</span> &mdash; <span class="dc-title">Bir düzenli ifade arama ve değiştirmesi yapar</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.preg-filter-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>preg_filter</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.array.php" class="type array">array</a></span></span> <code class="parameter">$şablon</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.array.php" class="type array">array</a></span></span> <code class="parameter">$yenisi</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.array.php" class="type array">array</a></span></span> <code class="parameter">$konu</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$sınır</code><span class="initializer"> = -1</span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter reference">&$sayı</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span><br>): <span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>preg_filter()</strong></span> sadece eşleşen (değiştirilmiş olması olası)
   konuları döndürmesi dışında <span class="function"><a href="function.preg-replace.php" class="function">preg_replace()</a></span> işlevi gibidir.
   Bu işlevin nasıl çalıştığıyla ilgili ayrıntılı bilgi için
   <span class="function"><a href="function.preg-replace.php" class="function">preg_replace()</a></span> sayfasına bakılabilir
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.preg-filter-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <p class="para">
   Bağımsız değişkenler <span class="function"><a href="function.preg-replace.php" class="function">preg_replace()</a></span> belgesinde açıklanmıştır.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.preg-filter-returnvalues">
  <h3 class="title">Dönen Değerler</h3>
  <p class="para">
   <code class="parameter">konu</code> bağımsız değişkeni bir dizi ise bir dizi döndürür
   aksi takdirde bir dizge döner.
  </p>
  <p class="para">
   <code class="parameter">konu</code> bağımsız değişkeni bir dizi ise ve hiç eşleşme
   olmazsa veya bir hata oluşmuşsa boş bir dizi döner; aksi takdirde <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>
   döner.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.preg-filter-errors">
  <h3 class="title">Hatalar/İstisnalar</h3>
  <p class="para">
Düzenli ifade şablonu derlendiğinde geçerli bir düzenli ifade haline gelmezse
bir <strong><code><a href="errorfunc.constants.php#constant.e-warning">E_WARNING</a></code></strong> çıktılanır.
</p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.preg-filter-examples">
  <h3 class="title">Örnekler</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Örnek 1 - <span class="function"><strong>preg_filter()</strong></span> ile
    <span class="function"><a href="function.preg-replace.php" class="function">preg_replace()</a></span> işlevini karşılaştırma örneği
    </strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$subject </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'1'</span><span style="color: #007700">, </span><span style="color: #DD0000">'a'</span><span style="color: #007700">, </span><span style="color: #DD0000">'2'</span><span style="color: #007700">, </span><span style="color: #DD0000">'b'</span><span style="color: #007700">, </span><span style="color: #DD0000">'3'</span><span style="color: #007700">, </span><span style="color: #DD0000">'A'</span><span style="color: #007700">, </span><span style="color: #DD0000">'B'</span><span style="color: #007700">, </span><span style="color: #DD0000">'4'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$pattern </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'/\d/'</span><span style="color: #007700">, </span><span style="color: #DD0000">'/[a-z]/'</span><span style="color: #007700">, </span><span style="color: #DD0000">'/[1a]/'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$replace </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'A:$0'</span><span style="color: #007700">, </span><span style="color: #DD0000">'B:$0'</span><span style="color: #007700">, </span><span style="color: #DD0000">'C:$0'</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"preg_filter işlevinin sonucu:\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">preg_filter</span><span style="color: #007700">(</span><span style="color: #0000BB">$pattern</span><span style="color: #007700">, </span><span style="color: #0000BB">$replace</span><span style="color: #007700">, </span><span style="color: #0000BB">$subject</span><span style="color: #007700">));<br /><br />echo </span><span style="color: #DD0000">"preg_replace  işlevinin sonucu:\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">preg_replace</span><span style="color: #007700">(</span><span style="color: #0000BB">$pattern</span><span style="color: #007700">, </span><span style="color: #0000BB">$replace</span><span style="color: #007700">, </span><span style="color: #0000BB">$subject</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">preg_filter işlevinin sonucu:
Array
(
    [0] =&gt; A:C:1
    [1] =&gt; B:C:a
    [2] =&gt; A:2
    [3] =&gt; B:b
    [4] =&gt; A:3
    [7] =&gt; A:4
)
preg_replace işlevinin sonucu:
Array
(
    [0] =&gt; A:C:1
    [1] =&gt; B:C:a
    [2] =&gt; A:2
    [3] =&gt; B:b
    [4] =&gt; A:3
    [5] =&gt; A
    [6] =&gt; B
    [7] =&gt; A:4
)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.preg-filter-seealso">
  <h3 class="title">Ayrıca Bakınız</h3>
  <p class="para">
   <ul class="simplelist">
    <li><a href="pcre.pattern.php" class="link">PCRE Şablonları</a></li>
    <li><span class="function"><a href="function.preg-quote.php" class="function" rel="rdfs-seeAlso">preg_quote()</a> - D&uuml;zenli ifadelerin &ouml;zel karakterlerini &ouml;nceler</span></li>
    <li><span class="function"><a href="function.preg-replace.php" class="function" rel="rdfs-seeAlso">preg_replace()</a> - D&uuml;zenli ifadeye g&ouml;re dizgede değişiklik yapar</span></li>
    <li><span class="function"><a href="function.preg-replace-callback.php" class="function" rel="rdfs-seeAlso">preg_replace_callback()</a> - Geri&ccedil;ağırım işlevi kullanarak d&uuml;zenli ifadeye g&ouml;re dizgede
  değişiklik yapar</span></li>
    <li><span class="function"><a href="function.preg-grep.php" class="function" rel="rdfs-seeAlso">preg_grep()</a> - D&uuml;zenli ifadeyle eşleşenleri i&ccedil;eren bir dizi d&ouml;nd&uuml;r&uuml;r</span></li>
    <li><span class="function"><a href="function.preg-last-error.php" class="function" rel="rdfs-seeAlso">preg_last_error()</a> - Son PCRE d&uuml;zenli ifade aramasından d&ouml;nen hatayı d&ouml;nd&uuml;r&uuml;r</span></li>
   </ul>
  </p>
 </div>

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