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.\" ========================================================================
.\"
.IX Title "Net::HTTPServer::Session 3pm"
.TH Net::HTTPServer::Session 3pm "2014-06-30" "perl v5.18.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Net::HTTPServer::Session \- HTTP server side client session
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
Net::HTTPServer::Session handles server side client sessions
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Net::HTTPServer::Session provides a server side data store for client
specific sessions.  It uses a cookie stored on the browser to tell
the server which session to restore to the user.  This is modelled
after the \s-1PHP\s0 session concept.  The session is valid for 4 hours from
the last time the cookie was sent.
.SH "EXAMPLES"
.IX Header "EXAMPLES"
sub pageHandler
{
    my \f(CW$request\fR = shift;
.PP
.Vb 1
\&    my $session = $request\->Session();
\&
\&    my $response = $request\->Response();
\&
\&    # Logout
\&    $session\->Destroy() if $request\->Env("logout");
\&
\&    $response\->Print("<html><head><title>Hi there</title></head><body>");
\&    
\&    # If the user specified a username on the URL, then save it.
\&    if ($request\->Env("username"))
\&    {
\&        $session\->Set("username",$request\->Env("username"));
\&    }
\&    
\&    # If there is a saved username, then use it.
\&    if ($session\->Get("username"))
\&    {
\&        $response\->Print("Hello, ",$session\->Get("username"),"!");
\&    }
\&    else
\&    {
\&        $response\->Print("Hello, stranger!");
\&    }
\&
\&    $response\->Print("</body></html>");
\&
\&    return $response;
\&}
.Ve
.PP
The above would behave as follows:
.PP
.Vb 7
\&  http://server/page                \- Hello, stranger!
\&  http://server/page?username=Bob   \- Hello, Bob!
\&  http://server/page                \- Hello, Bob!
\&  http://server/page?username=Fred  \- Hello, Fred!
\&  http://server/page                \- Hello, Fred!
\&  http://server/page?logout=1       \- Hello, stranger!
\&  http://server/page                \- Hello, stranger!
.Ve
.SH "METHODS"
.IX Header "METHODS"
.SS "Delete(var)"
.IX Subsection "Delete(var)"
Delete the specified variable from the session.
.SS "\fIDestroy()\fP"
.IX Subsection "Destroy()"
Destroy the session.  The server side data is deleted and the cookie
will be expired.
.SS "Exists(var)"
.IX Subsection "Exists(var)"
Returns if the specified variable exists in the sesion.
.SS "Get(var)"
.IX Subsection "Get(var)"
Return the value of the specified variable from the session if it
exists, undef otherwise.
.SS "Set(var,value)"
.IX Subsection "Set(var,value)"
Store the specified value (scalar or reference to any Perl data
structure) in the session.
.SH "AUTHOR"
.IX Header "AUTHOR"
Ryan Eatmon
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2003\-2005 Ryan Eatmon <reatmon@mail.com>. All rights
reserved.  This program is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.