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<refentry xml:id="function.session-save-path" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>session_save_path</refname>
  <refpurpose>Get and/or set the current session save path</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>session_save_path</methodname>
   <methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>path</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>session_save_path</function> returns the path of the current
   directory used to save session data. 
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>path</parameter></term>
     <listitem>
      <para>
       Session data path. If specified and not &null;, the path to which data is saved will
       be changed. <function>session_save_path</function> needs to be called
       before <function>session_start</function> for that purpose.
      </para>
      <para>
       <note>
        <para>
         On some operating systems, you may want to specify a path on a
         filesystem that handles lots of small files efficiently. For example,
         on Linux, reiserfs may provide better performance than ext2fs.
        </para>
       </note>
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the path of the current directory used for data storage, &return.falseforfailure;.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.0.0</entry>
      <entry>
       <parameter>path</parameter> is nullable now.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member>
     The <link linkend="ini.session.save-path">session.save_path</link>
     configuration directive
    </member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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