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<div id="function.mongodb.bson-tojson" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">MongoDB\BSON\toJSON</h1>
  <p class="verinfo">(mongodb &gt;=1.0.0)</p><p class="refpurpose"><span class="refname">MongoDB\BSON\toJSON</span> &mdash; <span class="dc-title">Devuelve la representación JSON extendida heredada de un valor BSON</span></p>

 </div>

 <div id="function.mongodb.bson-tojson-refsynopsisdiv">
  <div class="warning"><strong class="warning">Advertencia</strong>
   <p class="para">
    Esta función ha sido <em>DEPRECADA</em> desde la versión 1.20.0 de la extensión
    y ha sido eliminada en la versión 2.0. Las aplicaciones deberían utilizar
    <span class="methodname"><a href="mongodb-bson-document.tocanonicalextendedjson.php" class="methodname">MongoDB\BSON\Document::toCanonicalExtendedJSON()</a></span> o
    <span class="methodname"><a href="mongodb-bson-document.torelaxedextendedjson.php" class="methodname">MongoDB\BSON\Document::toRelaxedExtendedJSON()</a></span> en su lugar.
   </p>
  </div>
 </div>

 <div class="refsect1 description" id="refsect1-function.mongodb.bson-tojson-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>MongoDB\BSON\toJSON</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$bson</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Convierte una cadena BSON en su <a href="https://www.mongodb.com/docs/manual/reference/mongodb-extended-json/" class="link external">&raquo;&nbsp;representación JSON extendida heredada</a>.
  </p>
  <blockquote class="note"><p><strong class="note">Nota</strong>: 
   <span class="simpara">
    Existen varios formatos JSON para representar BSON. Esta función
    implementa el &quot;modo estricto&quot; definido en
    <a href="https://www.mongodb.com/docs/manual/reference/mongodb-extended-json/" class="link external">&raquo;&nbsp;MongoDB Extended JSON</a>,
    que ha sido reemplazado por los formatos canónicos y extendidos definidos en la
    <a href="https://github.com/mongodb/specifications/blob/master/source/extended-json/extended-json.md" class="link external">&raquo;&nbsp;especificación JSON extendida</a>
    e implementado por <span class="function"><a href="function.mongodb.bson-tocanonicalextendedjson.php" class="function">MongoDB\BSON\toCanonicalExtendedJSON()</a></span>
    y <span class="function"><a href="function.mongodb.bson-torelaxedextendedjson.php" class="function">MongoDB\BSON\toRelaxedExtendedJSON()</a></span>, respectivamente.
   </span>
  </p></blockquote>
  <div class="warning"><strong class="warning">Advertencia</strong>
   <p class="simpara">
    <a href="http://www.json.org/" class="link external">&raquo;&nbsp;JSON</a> no soporta
    <a href="language.types.float.php#language.types.float.nan" class="link"><strong><code><a href="math.constants.php#constant.nan">NAN</a></code></strong></a> y
    <a href="function.is-infinite.php" class="link"><strong><code><a href="math.constants.php#constant.inf">INF</a></code></strong></a> y el
    formato JSON extendido de MongoDB no define otra representación para
    estos valores (<a href="https://github.com/mongodb/mongo-c-driver/tree/master/src/libbson" class="link external">&raquo;&nbsp;libbson</a> producirá <code class="literal">nan</code> y <code class="literal">inf</code> literalmente,
    que no pueden ser analizados como JSON válido). Si se trabaja con BSON que puede contener números no finitos, utilice por favor
    <span class="function"><a href="function.mongodb.bson-tocanonicalextendedjson.php" class="function">MongoDB\BSON\toCanonicalExtendedJSON()</a></span> o
    <span class="function"><a href="function.mongodb.bson-torelaxedextendedjson.php" class="function">MongoDB\BSON\toRelaxedExtendedJSON()</a></span>.
   </p>
  </div>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.mongodb.bson-tojson-parameters">
  <h3 class="title">Parámetros</h3>
  <dl>
   
    <dt><code class="parameter">bson</code> (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)</dt>
    <dd>
     <p class="para">
      Valor BSON a convertir.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.mongodb.bson-tojson-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="para">
   El valor JSON convertido.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.mongodb.bson-tojson-errors">
  <h3 class="title">Errores/Excepciones</h3>
  <ul class="simplelist">
   <li>Lanza una excepción <span class="classname"><a href="class.mongodb-driver-exception-unexpectedvalueexception.php" class="classname">MongoDB\Driver\Exception\UnexpectedValueException</a></span> si la entrada no contiene exactamente un documento BSON. Las razones posibles incluyen, pero no se limitan a, BSON inválido, datos adicionales (después de leer un documento BSON), o un error inesperado de <a href="https://github.com/mongodb/mongo-c-driver/tree/master/src/libbson" class="link external">&raquo;&nbsp;libbson</a>.</li>
  </ul>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.mongodb.bson-tojson-changelog">
  <h3 class="title">Historial de cambios</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Versión</th>
       <th>Descripción</th>
      </tr>

     </thead>

     <tbody class="tbody">
      
    <tr>
        <td>PECL mongodb 2.0.0</td>
        <td>
            Esta función ha sido eliminada.
        </td>
    </tr>


     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.mongodb.bson-tojson-examples">
  <h3 class="title">Ejemplos</h3>
  <div class="example" id="example-1">
   <p><strong>Ejemplo #1 Ejemplo con <span class="function"><strong>MongoDB\BSON\toJSON()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$documents </span><span style="color: #007700">= [<br />    [ </span><span style="color: #DD0000">'null' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">null </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'boolean' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">true </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'string' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'foo' </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'int32' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">123 </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'int64' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">4294967295 </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'double' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1.0</span><span style="color: #007700">, ],<br />    [ </span><span style="color: #DD0000">'nan' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">NAN </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'pos_inf' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">INF </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'neg_inf' </span><span style="color: #007700">=&gt; -</span><span style="color: #0000BB">INF </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'array' </span><span style="color: #007700">=&gt; [ </span><span style="color: #DD0000">'foo'</span><span style="color: #007700">, </span><span style="color: #DD0000">'bar' </span><span style="color: #007700">]],<br />    [ </span><span style="color: #DD0000">'document' </span><span style="color: #007700">=&gt; [ </span><span style="color: #DD0000">'foo' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'bar' </span><span style="color: #007700">]],<br />    [ </span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\ObjectId</span><span style="color: #007700">(</span><span style="color: #DD0000">'56315a7c6118fd1b920270b1'</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'dec128' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\Decimal128</span><span style="color: #007700">(</span><span style="color: #DD0000">'1234.5678'</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'binary' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\Binary</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">, </span><span style="color: #0000BB">MongoDB\BSON\Binary</span><span style="color: #007700">::</span><span style="color: #0000BB">TYPE_GENERIC</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'date' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\UTCDateTime</span><span style="color: #007700">(</span><span style="color: #0000BB">1445990400000</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'timestamp' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\Timestamp</span><span style="color: #007700">(</span><span style="color: #0000BB">1234</span><span style="color: #007700">, </span><span style="color: #0000BB">5678</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'regex' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\Regex</span><span style="color: #007700">(</span><span style="color: #DD0000">'pattern'</span><span style="color: #007700">, </span><span style="color: #DD0000">'i'</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'code' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\Javascript</span><span style="color: #007700">(</span><span style="color: #DD0000">'function() { return 1; }'</span><span style="color: #007700">) ],<br />    [ </span><span style="color: #DD0000">'code_ws' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\Javascript</span><span style="color: #007700">(</span><span style="color: #DD0000">'function() { return a; }'</span><span style="color: #007700">, [</span><span style="color: #DD0000">'a' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1</span><span style="color: #007700">]) ],<br />    [ </span><span style="color: #DD0000">'minkey' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\MinKey </span><span style="color: #007700">],<br />    [ </span><span style="color: #DD0000">'maxkey' </span><span style="color: #007700">=&gt; new </span><span style="color: #0000BB">MongoDB\BSON\MaxKey </span><span style="color: #007700">],<br />];<br /><br />foreach (</span><span style="color: #0000BB">$documents </span><span style="color: #007700">as </span><span style="color: #0000BB">$document</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$bson </span><span style="color: #007700">= </span><span style="color: #0000BB">MongoDB\BSON\fromPHP</span><span style="color: #007700">(</span><span style="color: #0000BB">$document</span><span style="color: #007700">);<br />    echo </span><span style="color: #0000BB">MongoDB\BSON\toJSON</span><span style="color: #007700">(</span><span style="color: #0000BB">$bson</span><span style="color: #007700">), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>El ejemplo anterior mostrará:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">{ &quot;null&quot; : null }
{ &quot;boolean&quot; : true }
{ &quot;string&quot; : &quot;foo&quot; }
{ &quot;int32&quot; : 123 }
{ &quot;int64&quot; : 4294967295 }
{ &quot;double&quot; : 1.0 }
{ &quot;nan&quot; : nan }
{ &quot;pos_inf&quot; : inf }
{ &quot;neg_inf&quot; : -inf }
{ &quot;array&quot; : [ &quot;foo&quot;, &quot;bar&quot; ] }
{ &quot;document&quot; : { &quot;foo&quot; : &quot;bar&quot; } }
{ &quot;oid&quot; : { &quot;$oid&quot; : &quot;56315a7c6118fd1b920270b1&quot; } }
{ &quot;dec128&quot; : { &quot;$numberDecimal&quot; : &quot;1234.5678&quot; } }
{ &quot;binary&quot; : { &quot;$binary&quot; : &quot;Zm9v&quot;, &quot;$type&quot; : &quot;00&quot; } }
{ &quot;date&quot; : { &quot;$date&quot; : 1445990400000 } }
{ &quot;timestamp&quot; : { &quot;$timestamp&quot; : { &quot;t&quot; : 5678, &quot;i&quot; : 1234 } } }
{ &quot;regex&quot; : { &quot;$regex&quot; : &quot;pattern&quot;, &quot;$options&quot; : &quot;i&quot; } }
{ &quot;code&quot; : { &quot;$code&quot; : &quot;function() { return 1; }&quot; } }
{ &quot;code_ws&quot; : { &quot;$code&quot; : &quot;function() { return a; }&quot;, &quot;$scope&quot; : { &quot;a&quot; : 1 } } }
{ &quot;minkey&quot; : { &quot;$minKey&quot; : 1 } }
{ &quot;maxkey&quot; : { &quot;$maxKey&quot; : 1 } }</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.mongodb.bson-tojson-seealso">
  <h3 class="title">Ver también</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.mongodb.bson-fromjson.php" class="function" rel="rdfs-seeAlso">MongoDB\BSON\fromJSON()</a> - Devuelve la representaci&oacute;n BSON de un valor JSON</span></li>
   <li><span class="function"><a href="function.mongodb.bson-tocanonicalextendedjson.php" class="function" rel="rdfs-seeAlso">MongoDB\BSON\toCanonicalExtendedJSON()</a> - Devuelve la representaci&oacute;n JSON extendida can&oacute;nica de un valor BSON</span></li>
   <li><span class="function"><a href="function.mongodb.bson-torelaxedextendedjson.php" class="function" rel="rdfs-seeAlso">MongoDB\BSON\toRelaxedExtendedJSON()</a> - Devuelve la representaci&oacute;n JSON extendida relajada de un valor BSON</span></li>
   <li><a href="https://www.mongodb.com/docs/manual/reference/mongodb-extended-json/" class="link external">&raquo;&nbsp;MongoDB JSON Extendido</a></li>
   <li><a href="https://www.mongodb.com/docs/manual/reference/bson-types/" class="link external">&raquo;&nbsp;MongoDB BSON</a></li>
  </ul>
 </div>


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