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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="mongodb-bson-document.get" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>MongoDB\BSON\Document::get</refname>
<refpurpose>Returns the value of a key in the document</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>final</modifier> <modifier>public</modifier> <type>mixed</type><methodname>MongoDB\BSON\Document::get</methodname>
<methodparam><type>string</type><parameter>key</parameter></methodparam>
</methodsynopsis>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>key</parameter> (<type>string</type>)</term>
<listitem>
<para>
The key to retrieve from the document.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the value associated with the given key. If the key is not present in
the document, an exception is thrown.
</para>
<note>
<simpara>
When encountering a value encoded as 64-bit integer in the BSON document,
the return value of this method will be a
<classname>MongoDB\BSON\Int64</classname> instance.
</simpara>
</note>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<simplelist>
&mongodb.throws.argumentparsing;
<member>Throws <classname>MongoDB\Driver\Exception\RuntimeException</classname> if the key is not present in the document.</member>
</simplelist>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><methodname>MongoDB\BSON\Document::has</methodname></member>
<member><link xlink:href="&url.mongodb.docs.bson;">BSON Types</link></member>
</simplelist>
</refsect1>
</refentry>
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