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<!-- $Revision$ -->
<refentry xml:id="function.svn-update" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>svn_update</refname>
  <refpurpose>Update working copy</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>svn_update</methodname>
   <methodparam><type>string</type><parameter>path</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>revno</parameter><initializer>SVN_REVISION_HEAD</initializer></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>recurse</parameter><initializer>true</initializer></methodparam>
  </methodsynopsis>
  <para>
   Update working copy at <parameter>path</parameter> to revision
   <parameter>revno</parameter>. If <parameter>recurse</parameter> is true,
   directories will be recursively updated.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>path</parameter></term>
     <listitem>
      <para>
       Path to local working copy.
      </para>
      &svn.relativepath;
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>revno</parameter></term>
     <listitem>
      <para>
       Revision number to update to, default is <constant>SVN_REVISION_HEAD</constant>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>recurse</parameter></term>
     <listitem>
      <para>
       Whether or not to recursively update directories, default is &true;.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>

 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns new revision number on success, returns &false; on failure.
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  &warn.experimental.func;
 </refsect1>

 <!-- Use when ERRORS exist
 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   When does this function throw E_* level errors, or exceptions?
  </para>
 </refsect1>
 -->

 <!-- Use when a CHANGELOG exists
 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>Enter the PHP version of change here</entry>
       <entry>Description of change</entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 -->

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Basic example</title>
    <para>
     This example demonstrates basic usage of this function:
    </para>
    <programlisting role="php">
<![CDATA[
<?php
echo svn_update(realpath('working-copy'));
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
234
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>svn_checkout</function></member>
    <member><function>svn_commit</function></member>
    <member><link xlink:href="&url.svn.manual.update;">SVN documentation for svn update</link></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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