php-doc-en/reference/ftp/functions/ftp-set-option.xml

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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>resource</type><parameter>ftp_stream</parameter></methodparam>
   <methodparam><type>int</type><parameter>option</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>value</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function controls various runtime options for the specified FTP 
   stream.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>ftp_stream</parameter></term>
     <listitem>
      <para>
       The link identifier of the FTP connection.
      </para>
     </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>
         </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="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($conn_id, 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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