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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.ftp-pasv" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>ftp_pasv</refname>
<refpurpose>Turns passive mode on or off</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>ftp_pasv</methodname>
<methodparam><type>FTP\Connection</type><parameter>ftp</parameter></methodparam>
<methodparam><type>bool</type><parameter>enable</parameter></methodparam>
</methodsynopsis>
<para>
<function>ftp_pasv</function> turns on or off passive mode. In
passive mode, data connections are initiated by the client,
rather than by the server.
It may be needed if the client is behind firewall.
</para>
<para>
Please note that <function>ftp_pasv</function> can only be called after a
successful login or otherwise it will fail.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>ftp</parameter></term>
<listitem>
&ftp.parameter.ftp;
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>enable</parameter></term>
<listitem>
<para>
If &true;, the passive mode is turned on, else it's turned off.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&ftp.changelog.ftp-param;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>ftp_pasv</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$file = 'somefile.txt';
$remote_file = 'readme.txt';
// set up basic connection
$ftp = ftp_connect($ftp_server);
// login with username and password
$login_result = ftp_login($ftp, $ftp_user_name, $ftp_user_pass);
// turn passive mode on
ftp_pasv($ftp, true);
// upload a file
if (ftp_put($ftp, $remote_file, $file, FTP_ASCII)) {
echo "successfully uploaded $file\n";
} else {
echo "There was a problem while uploading $file\n";
}
// close the connection
ftp_close($ftp);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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