如何解决复杂业务流程管理问题？使用Composer安装winzou/state-machine库可以！

composer require winzou/state-machine:~0.1

$config = array(
    'graph'         => 'mygrapha',
    'property_path' => 'statea',
    'states'        => array(
        'checkout',
        'pending',
        'confirmed',
        'cancelled'
    ),
    'transitions' => array(
        'create' => array(
            'from' => array('checkout'),
            'to'   => 'pending'
        ),
        'confirm' => array(
            'from' => array('checkout', 'pending'),
            'to'   => 'confirmed'
        ),
        'cancel' => array(
            'from' => array('confirmed'),
            'to'   => 'cancelled'
        )
    ),
    'callbacks' => array(
        'guard' => array(
            'guard-cancel' => array(
                'to' => array('cancelled'),
                'do' => function() { var_dump('guarding to cancelled state'); return false; }
            )
        ),
        'before' => array(
            'from-checkout' => array(
                'from' => array('checkout'),
                'do'   => function() { var_dump('from checkout transition'); }
            )
        ),
        'after' => array(
            'on-confirm' => array(
                'on' => array('confirm'),
                'do' => function() { var_dump('on confirm transition'); }
            ),
            'to-cancelled' => array(
                'to' => array('cancelled'),
                'do' => function() { var_dump('to cancel transition'); }
            ),
            'cancel-date' => array(
                'to' => array('cancelled'),
                'do' => array('object', 'setcancelled'),
            ),
        )
    )
);

$statemachine = $factory->get($domainobject, 'mygrapha');
$statemachine->apply('create');