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?>
<div id="closure.bind" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Closure::bind</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.4.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">Closure::bind</span> &mdash; <span class="dc-title">
   Duplicar un cierre con un objeto vinculado y ámbito de clase especificados
  </span></p>

 </div>

 <div class="refsect1 description" id="refsect1-closure.bind-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><strong>Closure::bind</strong></span>(<span class="methodparam"><span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span> <code class="parameter">$closure</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.object.php" class="type object">object</a></span></span> <code class="parameter">$newThis</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.object.php" class="type object">object</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span> <code class="parameter">$newScope</code><span class="initializer"> = &quot;static&quot;</span></span>): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span></span></div>

  <p class="para rdfs-comment">
   Este método es una versión estática de <span class="methodname"><a href="closure.bindto.php" class="methodname">Closure::bindTo()</a></span>.
   Véase la documentación de ese método para más información.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-closure.bind-parameters">
  <h3 class="title">Parámetros</h3>
  <dl>
   
    <dt><code class="parameter">closure</code></dt>
    <dd>
     <p class="para">
      La función anónima a vincular.
     </p>
    </dd>
   
   
    <dt><code class="parameter">newThis</code></dt>
    <dd>
     <p class="para">
      El objeto al que la función anónima dada debería ser vinculado, o
      <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> para que el cierre sea desvinculado.
     </p>
    </dd>
   
   
    <dt><code class="parameter">newScope</code></dt>
    <dd>
     <p class="para">
      El ámbito de clase a la que asociar el cierre, o
      &#039;static&#039; para mantener el actual. Si se proporciona un objeto, el tipo del
      mismo se usará en su lugar. Esto determina la visibilidad de métodos
      protegidos y privados del objeto vinculado.
      No se permite pasar (un objeto de) una clase interna a este parámetro.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-closure.bind-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="para">
   Devuelve un nuevo objeto <span class="classname"><a href="class.closure.php" class="classname">Closure</a></span> object, o <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> en caso de error.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-closure.bind-examples">
  <h3 class="title">Ejemplos</h3>
  <div class="example" id="example-1">
   <p><strong>Ejemplo #1 Ejemplo de <span class="function"><strong>Closure::bind()</strong></span></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">class </span><span style="color: #0000BB">A </span><span style="color: #007700">{<br />    private static </span><span style="color: #0000BB">$sfoo </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />    private </span><span style="color: #0000BB">$ifoo </span><span style="color: #007700">= </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">$cl1 </span><span style="color: #007700">= static function() {<br />    return </span><span style="color: #0000BB">A</span><span style="color: #007700">::</span><span style="color: #0000BB">$sfoo</span><span style="color: #007700">;<br />};<br /></span><span style="color: #0000BB">$cl2 </span><span style="color: #007700">= function() {<br />    return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ifoo</span><span style="color: #007700">;<br />};<br /><br /></span><span style="color: #0000BB">$bcl1 </span><span style="color: #007700">= </span><span style="color: #0000BB">Closure</span><span style="color: #007700">::</span><span style="color: #0000BB">bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$cl1</span><span style="color: #007700">, </span><span style="color: #0000BB">null</span><span style="color: #007700">, </span><span style="color: #DD0000">'A'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$bcl2 </span><span style="color: #007700">= </span><span style="color: #0000BB">Closure</span><span style="color: #007700">::</span><span style="color: #0000BB">bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$cl2</span><span style="color: #007700">, new </span><span style="color: #0000BB">A</span><span style="color: #007700">(), </span><span style="color: #DD0000">'A'</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$bcl1</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">$bcl2</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Resultado del ejemplo anterior es similar a:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">1
2</pre>
</div>
   </div>
  </div>
 </div>



 <div class="refsect1 seealso" id="refsect1-closure.bind-seealso">
  <h3 class="title">Ver también</h3>
  <ul class="simplelist">
   <li><a href="functions.anonymous.php" class="link">Funciones anónimas</a></li>
   <li><span class="methodname"><a href="closure.bindto.php" class="methodname" rel="rdfs-seeAlso">Closure::bindTo()</a> - Duplica la cierre con un nuevo objeto vinculado y un nuevo contexto de clase.</span></li>
  </ul>
 </div>


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