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<refentry xml:id="function.ftp-set-option" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>ftp_set_option</refname>
  <refpurpose>Set miscellaneous runtime FTP options</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>ftp_set_option</methodname>
   <methodparam><type>FTP\Connection</type><parameter>ftp</parameter></methodparam>
   <methodparam><type>int</type><parameter>option</parameter></methodparam>
   <methodparam><type class="union"><type>int</type><type>bool</type></type><parameter>value</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function controls various runtime options for the specified FTP connection.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>ftp</parameter></term>
     <listitem>
       &ftp.parameter.ftp;
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>option</parameter></term>
     <listitem>
      <para>
       Currently, the following options are supported:
       <table>
        <title>Supported runtime FTP options</title>
        <tgroup cols="2">
         <tbody>
          <row>
           <entry><constant>FTP_TIMEOUT_SEC</constant></entry>
           <entry>
            Changes the timeout in seconds used for all network related 
            functions. <parameter>value</parameter> must be an integer that
            is greater than 0. The default timeout is 90 seconds.
           </entry>
          </row>
          <row>
           <entry><constant>FTP_AUTOSEEK</constant></entry>
           <entry>
            When enabled, GET or PUT requests with a 
            <parameter>resumepos</parameter> or <parameter>startpos</parameter>
            parameter will first seek to the requested position within the file.
            This is enabled by default.
           </entry>
          </row>
          <row>
           <entry><constant>FTP_USEPASVADDRESS</constant></entry>
           <entry>
            When disabled, PHP will ignore the IP address returned by the FTP server in response to the PASV command and instead use the IP address that was supplied in the ftp_connect().
            <parameter>value</parameter> must be a boolean.
           </entry>
          </row>
         </tbody>
        </tgroup>
       </table>
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>value</parameter></term>
     <listitem>
      <para>
       This parameter depends on which <parameter>option</parameter> is chosen
       to be altered.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns &true; if the option could be set; &false; if not. A warning
   message will be thrown if the <parameter>option</parameter> is not
   supported or the passed <parameter>value</parameter> doesn't match the
   expected value for the given <parameter>option</parameter>.
  </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_set_option</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
// Set the network timeout to 10 seconds
ftp_set_option($ftp, FTP_TIMEOUT_SEC, 10);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>ftp_get_option</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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