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?>
<div id="function.ldap-escape" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ldap_escape</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.6.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ldap_escape</span> &mdash; <span class="dc-title">Escapa una cadena para usarla en un filtro LDAP o un DN</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.ldap-escape-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>ldap_escape</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$value</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$ignore</code><span class="initializer"> = &quot;&quot;</span></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code><span class="initializer"> = 0</span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Escapa la cadena <code class="parameter">value</code> para usarla en el
   contexto implicado por el argumento <code class="parameter">flags</code>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.ldap-escape-parameters">
  <h3 class="title">Parámetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">value</code></dt>
     <dd>
      <p class="para">
       El valor a escapar.
      </p>
     </dd>
    
    
     <dt><code class="parameter">ignore</code></dt>
     <dd>
      <p class="para">
       Los caracteres a ignorar durante el escape.
      </p>
     </dd>
    
    
     <dt><code class="parameter">flags</code></dt>
     <dd>
      <p class="para">
       El contexto en el que la cadena escapada será utilizada:
       <strong><code><a href="ldap.constants.php#constant.ldap-escape-filter">LDAP_ESCAPE_FILTER</a></code></strong> para los filtros
       a usar con <span class="function"><a href="function.ldap-search.php" class="function">ldap_search()</a></span>, o
       <strong><code><a href="ldap.constants.php#constant.ldap-escape-dn">LDAP_ESCAPE_DN</a></code></strong> para los DNs.
       Si no se pasa ningún flag, todos los caracteres son escapados.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.ldap-escape-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="para">
   Devuelve la cadena escapada.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.ldap-escape-examples">
  <h3 class="title">Ejemplos</h3>
  <p class="para">
   Al construir un filtro LDAP, debe usarse ldap_escape con el flag LDAP_ESCAPE_FILTER.
   <div class="example" id="example-1">
    <p><strong>Ejemplo #1 Buscar una dirección de correo electrónico</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: #FF8000">// $ds debe ser una instancia válida de LDAP\Connection<br /><br />// $mail es una dirección de correo electrónico proporcionada por el usuario en un formulario<br /><br /></span><span style="color: #0000BB">$base   </span><span style="color: #007700">= </span><span style="color: #DD0000">"o=My Company, c=US"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$filter </span><span style="color: #007700">= </span><span style="color: #DD0000">"(mail="</span><span style="color: #007700">.</span><span style="color: #0000BB">ldap_escape</span><span style="color: #007700">(</span><span style="color: #0000BB">$mail</span><span style="color: #007700">, </span><span style="color: #DD0000">""</span><span style="color: #007700">, </span><span style="color: #0000BB">LDAP_ESCAPE_FILTER</span><span style="color: #007700">).</span><span style="color: #DD0000">")"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$sr </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_search</span><span style="color: #007700">(</span><span style="color: #0000BB">$ds</span><span style="color: #007700">, </span><span style="color: #0000BB">$base</span><span style="color: #007700">, </span><span style="color: #0000BB">$filter</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"sn"</span><span style="color: #007700">, </span><span style="color: #DD0000">"givenname"</span><span style="color: #007700">, </span><span style="color: #DD0000">"mail"</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_get_entries</span><span style="color: #007700">(</span><span style="color: #0000BB">$ds</span><span style="color: #007700">, </span><span style="color: #0000BB">$sr</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$info</span><span style="color: #007700">[</span><span style="color: #DD0000">"count"</span><span style="color: #007700">].</span><span style="color: #DD0000">" entradas devueltas\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

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

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