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?>
<div id="function.odbc-data-source" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">odbc_data_source</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">odbc_data_source</span> &mdash; <span class="dc-title">Devuelve información sobre los DSNs disponibles</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.odbc-data-source-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>odbc_data_source</strong></span>(<span class="methodparam"><span class="type">Odbc\Connection</span> <code class="parameter">$odbc</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$fetch_type</code></span>): <span class="type"><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 class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   Devuelve una lista de DSN disponibles (tras haberla llamado varias veces).
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.odbc-data-source-parameters">
  <h3 class="title">Parámetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">odbc</code></dt>
     <dd>
      <p class="para">El objeto de conexión ODBC,
ver la documentación de la función <span class="function"><a href="function.odbc-connect.php" class="function">odbc_connect()</a></span> para más
detalles.</p>
     </dd>
    
    
     <dt><code class="parameter">fetch_type</code></dt>
     <dd>
      <p class="para">
       El parámetro <code class="parameter">fetch_type</code> puede ser una de las
       dos constantes siguientes: <strong><code><a href="uodbc.constants.php#constant.sql-fetch-first">SQL_FETCH_FIRST</a></code></strong> o
       <strong><code><a href="uodbc.constants.php#constant.sql-fetch-next">SQL_FETCH_NEXT</a></code></strong>. Utilice <strong><code><a href="uodbc.constants.php#constant.sql-fetch-first">SQL_FETCH_FIRST</a></code></strong>
       la primera vez que se llama a la función, luego <strong><code><a href="uodbc.constants.php#constant.sql-fetch-next">SQL_FETCH_NEXT</a></code></strong>.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.odbc-data-source-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="para">
   Devuelve <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si ocurre un error, un <span class="type"><a href="language.types.array.php" class="type array">array</a></span> en caso de éxito, y
   <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> tras haber recuperado el último DSN disponible.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.odbc-data-source-changelog">
  <h3 class="title">Historial de cambios</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Versión</th>
      <th>Descripción</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
 <td>8.4.0</td>
 <td>
  <code class="parameter">odbc</code> ahora espera una instancia de
  <span class="classname"><strong class="classname">Odbc\Connection</strong></span>; anteriormente, se esperaba un <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span>.
 </td>
</tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.odbc-data-source-examples">
  <h3 class="title">Ejemplos</h3>
  <div class="example" id="odbc-data-source.example.basic">
   <p><strong>Ejemplo #1 Listar los DSNs disponibles</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">odbc_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'dsn'</span><span style="color: #007700">, </span><span style="color: #DD0000">'user'</span><span style="color: #007700">, </span><span style="color: #DD0000">'pass'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$dsn_info </span><span style="color: #007700">= </span><span style="color: #0000BB">odbc_data_source</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">SQL_FETCH_FIRST</span><span style="color: #007700">);<br />while (</span><span style="color: #0000BB">$dsn_info</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$dsn_info</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">$dsn_info </span><span style="color: #007700">= </span><span style="color: #0000BB">odbc_data_source</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">SQL_FETCH_NEXT</span><span style="color: #007700">);<br />}<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">Array
(
    [server] =&gt; dsn
    [description] =&gt; ODBC Driver 17 for SQL Server
)
Array
(
    [server] =&gt; other_dsn
    [description] =&gt; Microsoft Access Driver (*.mdb, *.accdb)
)</pre>
</div>
   </div>
  </div>
 </div>


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