Horde_Group_Ldap::__construct PHP Method

    public function __construct($params)
    {
        parent::__construct($params);
        $params = array_merge(array('binddn' => '', 'bindpw' => '', 'gid' => 'cn', 'memberuid' => 'memberUid', 'objectclass' => array('posixGroup'), 'newgroup_objectclass' => array('posixGroup')), $params);
        /* Check mandatory parameters. */
        foreach (array('ldap', 'basedn') as $param) {
            if (!isset($params[$param])) {
                throw new Horde_Group_Exception('The \'' . $param . '\' parameter is missing.');
            }
        }
        /* Set Horde_Ldap object. */
        $this->_ldap = $params['ldap'];
        unset($params['ldap']);
        /* Lowercase attribute names. */
        $params['gid'] = Horde_String::lower($params['gid']);
        $params['memberuid'] = Horde_String::lower($params['memberuid']);
        if (!is_array($params['newgroup_objectclass'])) {
            $params['newgroup_objectclass'] = array($params['newgroup_objectclass']);
        }
        foreach ($params['newgroup_objectclass'] as &$objectClass) {
            $objectClass = Horde_String::lower($objectClass);
        }
        /* Generate LDAP search filter. */
        try {
            $this->_filter = Horde_Ldap_Filter::build($params['search']);
        } catch (Horde_Ldap_Exception $e) {
            throw new Horde_Group_Exception($e);
        }
        $this->_params = $params;
    }