NAME
   CGI::Session::Driver::layered - Use multiple layered drivers

SYNOPSIS
    use CGI::Session;

my $session = CGI::Session->new("driver:layered", $sessionId, { layers => [
      {
        driver    => 'file',
        Directory => '/tmp/foo',
      },
      {
        driver => 'postgresql'
        table  => 'websessions',
        handle => $dbh
      }
    ]});

DESCRIPTION
   CGI::Session::Driver::Layered provides a interface for using multple
   drivers to store sessions. Each session is stored in all the configured
   drivers. When fetching a session, the first driver to return a session
   is used, the drivers being searched in the order they were configured.

OPTIONS
   Unlike most drivers for CGI::Session, this driver requires options to
   function. The driver args must has a layers field, which is an array ref
   of hash references. Each hash reference should contain the driver name
   under the key "driver", and the rest of the arguments for that driver.
   The order of the layers argument is the order that the layer will check
   during a retrieve.

COPYRIGHT
   Copyright (C) 2009 Liquidweb Inc.

AUTHOR
   Chris Reinhardt <[email protected]>

SEE ALSO
   CGI::Session::Driver, CGI::Session

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