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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
-
- This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
- project.
-
- Copyright (C) 1998-2018 OpenLink Software
-
- This project is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; only version 2 of the License, dated June 1991.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-->
<refentry id="fn_connection_vars">
<refmeta>
<refentrytitle>connection_vars</refentrytitle>
<refmiscinfo>ws</refmiscinfo>
</refmeta>
<refnamediv>
<refname>connection_vars</refname>
<refpurpose>Retrieve all connection variables</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_connection_vars">
<funcprototype id="fproto_connection_vars">
<funcdef>any <function>connection_vars</function></funcdef>
<paramdef></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_connection_vars"><title>Description</title>
<para>
This function returns all stored session variables in an array with
name/value pairs.
</para><para>
Connection variables do not persist across sessions, one
may maintain persistence of variables by storing them in a database table:
see the <link linkend="wssessman">Session Variables</link> Section.
</para>
</refsect1>
<refsect1 id="ret_connection_vars"><title>Return Types</title><para>Array of name-value pairs
of all connection variables.
</para></refsect1>
<refsect1 id="examples_connection_vars"><title>Examples</title>
<example id="ex_connection_vars"><title>Retrieving Connection Variables</title>
<programlisting>
<?vsp
declare ses_vars any;
ses_vars := connection_vars ();
update session set s_vars = serialize (ses_vars) where s_id = get_keyword ('sid', params);
?>
</programlisting>
</example>
</refsect1>
<refsect1 id="seealso_connection_vars"><title>See Also</title>
<para><link linkend="fn_connection_get">connection_get</link></para>
<para><link linkend="fn_connection_set">connection_set</link></para>
<para><link linkend="fn_connection_vars_set">connection_vars_set</link></para>
</refsect1>
</refentry>
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