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<div id="mongodb-bson-document.tocanonicalextendedjson" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">MongoDB\BSON\Document::toCanonicalExtendedJSON</h1>
  <p class="verinfo">(mongodb &gt;=1.16.0)</p><p class="refpurpose"><span class="refname">MongoDB\BSON\Document::toCanonicalExtendedJSON</span> &mdash; <span class="dc-title">Returns the Canonical Extended JSON representation of the BSON document</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-mongodb-bson-document.tocanonicalextendedjson-description">
  <h3 class="title">Beschreibung</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">final</span> <span class="modifier">public</span> <span class="methodname"><strong>MongoDB\BSON\Document::toCanonicalExtendedJSON</strong></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Converts the BSON document to its
   <a href="https://github.com/mongodb/specifications/blob/master/source/extended-json/extended-json.md#canonical-extended-json-example" class="link external">&raquo;&nbsp;Canonical Extended JSON</a>
   representation. The canonical format prefers type fidelity at the expense of
   concise output and is most suited for producing output that can be converted
   back to BSON without any loss of type information (e.g. numeric types will
   remain differentiated).
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-mongodb-bson-document.tocanonicalextendedjson-parameters">
  <h3 class="title">Parameter-Liste</h3>
  <p class="para">Diese Funktion besitzt keine Parameter.</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-mongodb-bson-document.tocanonicalextendedjson-returnvalues">
  <h3 class="title">Rückgabewerte</h3>
  <p class="para">
   Returns a string containing the
   <a href="https://github.com/mongodb/specifications/blob/master/source/extended-json/extended-json.md#canonical-extended-json-example" class="link external">&raquo;&nbsp;Canonical Extended JSON</a>
   representation of the BSON document.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-mongodb-bson-document.tocanonicalextendedjson-examples">
  <h3 class="title">Beispiele</h3>
  <div class="example" id="example-1495">
   <p><strong>Beispiel #1 <span class="methodname"><strong>MongoDB\BSON\Document::toCanonicalExtendedJSON()</strong></span> example</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\Document</span><span style="color: #007700">::</span><span style="color: #0000BB">fromPHP</span><span style="color: #007700">(</span><span style="color: #0000BB">$document</span><span style="color: #007700">);<br />    echo </span><span style="color: #0000BB">$bson</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">toCanonicalExtendedJSON</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>Das oben gezeigte Beispiel erzeugt folgende Ausgabe:</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; : { &quot;$numberInt&quot; : &quot;123&quot; } }
{ &quot;int64&quot; : { &quot;$numberLong&quot; : &quot;4294967295&quot;} }
{ &quot;double&quot; : { &quot;$numberDouble&quot; : &quot;1.0&quot; } }
{ &quot;nan&quot; : { &quot;$numberDouble&quot; : &quot;NaN&quot; } }
{ &quot;pos_inf&quot; : { &quot;$numberDouble&quot; : &quot;Infinity&quot; } }
{ &quot;neg_inf&quot; : { &quot;$numberDouble&quot; : &quot;-Infinity&quot; } }
{ &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;$binary&quot; : { &quot;base64&quot;: &quot;Zm9v&quot;, &quot;subType&quot; : &quot;00&quot; } } }
{ &quot;date&quot; : { &quot;$date&quot; : { &quot;$numberLong&quot; : &quot;1445990400000&quot; } } }
{ &quot;timestamp&quot; : { &quot;$timestamp&quot; : { &quot;t&quot; : 5678, &quot;i&quot; : 1234 } } }
{ &quot;regex&quot; : { &quot;$regularExpression&quot; : { &quot;pattern&quot; : &quot;pattern&quot;, &quot;options&quot; : &quot;i&quot; } } }
{ &quot;code&quot; : { &quot;$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; : { &quot;$numberInt&quot; : &quot;1&quot; } } } }
{ &quot;minkey&quot; : { &quot;$minKey&quot; : 1 } }
{ &quot;maxkey&quot; : { &quot;$maxKey&quot; : 1 } }</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-mongodb-bson-document.tocanonicalextendedjson-seealso">
  <h3 class="title">Siehe auch</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="mongodb-bson-document.fromjson.php" class="methodname" rel="rdfs-seeAlso">MongoDB\BSON\Document::fromJSON()</a> - Construct a new document instance from a JSON string</span></li>
   <li><span class="methodname"><a href="mongodb-bson-document.torelaxedextendedjson.php" class="methodname" rel="rdfs-seeAlso">MongoDB\BSON\Document::toRelaxedExtendedJSON()</a> - Returns the Relaxed Extended JSON representation of the BSON document</span></li>
   <li><span class="function"><a href="function.mongodb.bson-tocanonicalextendedjson.php" class="function" rel="rdfs-seeAlso">MongoDB\BSON\toCanonicalExtendedJSON()</a> - Returns the Canonical Extended JSON representation of a BSON value</span></li>
   <li><a href="https://github.com/mongodb/specifications/blob/master/source/extended-json/extended-json.md" class="link external">&raquo;&nbsp;Extended JSON Specification</a></li>
   <li><a href="https://www.mongodb.com/docs/manual/reference/bson-types/" class="link external">&raquo;&nbsp;BSON Types</a></li>
  </ul>
 </div>


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