VuFind ILS Driver Extension

module.config.php

<?php
namespace KlnLocal\Module\Configuration;

$config = array(
    'controllers' => array(
        'invokables' => array(
            'instanceswitch' => 'KlnLocal\Controller\InstanceSwitchController'
        )	
    ),
    'vufind' => array(
        'config_reader' => array(
            'abstract_factories' => array('VuFind\Config\PluginFactory'),
        ),
        'plugin_managers' => array(
            'ils_driver' => array(
                'factories' => array(
                    'multibackend' => 'KlnLocal\ILS\Driver\MultiBackend',
                ),
            ),
        ),
    )
);

return $config;

MultiBackend.php

<?php
/**
 * Multiple Backend Driver.
 *
 * PHP version 5
 *
 * Copyright (C) The National Library of Finland 2012.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2,
 * as published by the Free Software Foundation.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * @category VuFind
 * @package  ILSdrivers
 * @author   Ere Maijala <ere.maijala@helsinki.fi>
 * @author   Demian Katz <demian.katz@villanova.edu>
 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @link     http://vufind.org/wiki/building_an_ils_driver Wiki
 */
namespace KlnLocal\ILS\Driver;

use VuFind\ILS\Driver\MultiBackend as GenericMultiBackend,
    VuFind\ILS\Driver\AbstractBase as AbstractBase,
    VuFind\Exception\ILS as ILSException,
    Zend\ServiceManager\ServiceLocatorAwareInterface,
    Zend\ServiceManager\ServiceLocatorInterface,
    Zend\Log\LoggerInterface;

/**
 * Multiple Backend Driver.
 *
 * This driver allows to use multiple backends determined by a record id or
 * user id prefix (e.g. source.12345).
 *
 * @category VuFind
 * @package  ILSdrivers
 * @author   Ere Maijala <ere.maijala@helsinki.fi>
 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @link     http://vufind.org/wiki/building_an_ils_driver Wiki
 */
class MultiBackend extends GenericMultiBackend
    implements ServiceLocatorAwareInterface, \Zend\Log\LoggerAwareInterface
{

    /**
     * Find Reserves
     *
     * Obtain information on course reserves.
     *
     * This version of findReserves was contributed by Matthew Hooper and includes
     * support for electronic reserves (though eReserve support is still a work in
     * progress).
     *
     * @param string $course ID from getCourses (empty string to match all)
     * @param string $inst   ID from getInstructors (empty string to match all)
     * @param string $dept   ID from getDepartments (empty string to match all)
     *
     * @throws ILSException
     * @return array An array of associative arrays representing reserve items.
     */
    public function findReserves($course, $inst, $dept)
    {

        $called = false;
        $instance = $_SERVER['SERVER_NAME'];
        $driverInst = substr($instance, strpos($instance,'-') + 1, strpos($instance,'.') - 6);
        $recordsList = $this->runIfPossible($driverInst, 'findReserves', [$course,$inst,$debt], $called);



        foreach ($recordsList as &$record) {
            $record['BIB_ID'] = $driverInst . '.' . $record['BIB_ID'];
        }
        print_r($recordsList[0]['BIB_ID']);

        return $recordsList; 
    }
}