<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<phpdoc:classref xml:id="class.mongoduplicatekeyexception" xmlns:phpdoc="http://php.net/ns/phpdoc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">

 <title>The MongoDuplicateKeyException class</title>
 <titleabbrev>MongoDuplicateKeyException</titleabbrev>

 <partintro>

<!-- {{{ MongoDuplicateKeyException intro -->
  <section xml:id="mongoduplicatekeyexception.intro">
   &reftitle.intro;
   <para>
    Thrown when attempting to insert a document into a collection which already contains the same values for the <link linkend="mongocollection.ensureindex">unique keys</link>.
   </para>
  </section>
<!-- }}} -->

  <section xml:id="mongoduplicatekeyexception.synopsis">
   &reftitle.classsynopsis;

<!-- {{{ Synopsis -->
   <classsynopsis>
    <ooclass><classname>MongoDuplicateKeyException</classname></ooclass>

<!-- {{{ Class synopsis -->
    <classsynopsisinfo>
     <ooclass>
      <classname>MongoDuplicateKeyException</classname>
     </ooclass>
     
     <ooclass>
      <modifier>extends</modifier>
      <classname>MongoWriteConcernException</classname>
     </ooclass>
    </classsynopsisinfo>
<!-- }}} -->
    <classsynopsisinfo role="comment">&InheritedProperties;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('exception.synopsis')/descendant::db:fieldsynopsis)" />


    <classsynopsisinfo role="comment">&InheritedMethods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.mongowriteconcernexception')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[not(@role='procedural')])" />

   </classsynopsis>
<!-- }}} -->

  </section>

  <section xml:id="mongoduplicatekeyexception.examples">
   &reftitle.examples;
   <example xml:id="mongoduplicatekeyexception.example.catch">
    <title>Catching MongoDuplicateKeyException</title>
    <programlisting role="php">
<![CDATA[
<?php
$mc = new MongoClient("localhost");

$c = $mc->selectCollection("test", "test");

$c->insert(array('_id' => 1));
try {
    $c->insert(array('_id' => 1));
} catch (MongoWriteConcernException $e) {
    echo $e->getMessage(), "\n";
}
?>
]]>
    </programlisting>
    &examples.outputs.similar;
    <screen>
<![CDATA[
localhost:27017: insertDocument :: caused by :: 11000 E11000 duplicate key error index: test.test.$_id_  dup key: { : 1 }
]]>
    </screen>
   </example>
  </section>

 </partintro>

</phpdoc:classref>

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