php-doc-en/reference/session/functions/session-set-cookie-params.xml

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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.session-set-cookie-params">
 <refnamediv>
  <refname>session_set_cookie_params</refname>
  <refpurpose>Set the session cookie parameters</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>void</type><methodname>session_set_cookie_params</methodname>
   <methodparam><type>int</type><parameter>lifetime</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>path</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>domain</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>secure</parameter><initializer>false</initializer></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>httponly</parameter><initializer>false</initializer></methodparam>
  </methodsynopsis>
  <para>
   Set cookie parameters defined in the &php.ini; file. The effect of this
   function only lasts for the duration of the script. Thus, you need to
   call <function>session_set_cookie_params</function> for every request and
   before <function>session_start</function> is called.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>lifetime</parameter></term>
     <listitem>
      <para>
       <link linkend="ini.session.cookie-lifetime">Lifetime</link> of the
       session cookie, defined in seconds.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>path</parameter></term>
     <listitem>
      <para>
       <link linkend="ini.session.cookie-path">Path</link> on the domain where
       the cookie will work. Use a single slash ('/') for all paths on the
       domain.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>domain</parameter></term>
     <listitem>
      <para>
       Cookie <link linkend="ini.session.cookie-domain">domain</link>, for
       example 'www.php.net'. To make cookies visible on all subdomains then
       the domain must be prefixed with a dot like '.php.net'.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>secure</parameter></term>
     <listitem>
      <para>
       If &true; cookie will only be sent over
       <link linkend="ini.session.cookie-secure">secure</link> connections.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>httponly</parameter></term>
     <listitem>
      <para>
       If set to &true; then PHP will attempt to send the
       <link linkend="ini.session.cookie-httponly">httponly</link>
       flag when setting the session cookie.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.void;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>5.2.0</entry>
       <entry>
        The <parameter>httponly</parameter> parameter was added.
       </entry>
      </row>
      <row>
       <entry>4.0.4</entry>
       <entry>
        The <parameter>secure</parameter> parameter was added.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member>
     <link linkend="ini.session.cookie-lifetime">session.cookie_lifetime</link>
    </member>
    <member>
     <link linkend="ini.session.cookie-domain">session.cookie_domain</link>
    </member>
    <member>
     <link linkend="ini.session.cookie-secure">session.cookie_secure</link>
    </member>
    <member>
     <link linkend="ini.session.cookie-httponly">session.cookie_httponly</link>
    </member>
    <member><function>session_get_cookie_params</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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