php-redux
所属分类：Dart语言编程
开发工具：PHP
文件大小：0KB
下载次数：0
上传日期：2017-07-18 13:42:05
上 传 者：
sh-1993
说明： 用于PHP的Redux库的端口_and_用于娱乐
(Port of the Redux library for PHP _and_ for fun)
文件列表:
LICENSE.md (1075, 2017-07-18)
composer.json (1099, 2017-07-18)
src/ (0, 2017-07-18)
src/Dispatcher/ (0, 2017-07-18)
src/Dispatcher/AbstractDispatcher.php (905, 2017-07-18)
src/Dispatcher/DispatcherInterface.php (770, 2017-07-18)
src/Dispatcher/PromiseDispatcher.php (692, 2017-07-18)
src/DispatcherStoreInterface.php (508, 2017-07-18)
src/Exception/ (0, 2017-07-18)
src/Exception/InvalidFlowException.php (317, 2017-07-18)
src/Exception/MissingTypeException.php (325, 2017-07-18)
src/Middleware/ (0, 2017-07-18)
src/Middleware/AbstractMiddleware.php (1060, 2017-07-18)
src/Middleware/Chain.php (1361, 2017-07-18)
src/Middleware/Middleware.php (851, 2017-07-18)
src/Middleware/MiddlewareInterface.php (482, 2017-07-18)
src/Reducer/ (0, 2017-07-18)
src/Reducer/CallableReducer.php (671, 2017-07-18)
src/Reducer/ComposedReducer.php (1251, 2017-07-18)
src/Reducer/ReducerInterface.php (611, 2017-07-18)
src/Store.php (4464, 2017-07-18)
src/StoreInterface.php (381, 2017-07-18)
src/WrappableStoreInterface.php (451, 2017-07-18)
# Redux for PHP
[](https://travis-ci.org/rikbruil/php-redux)
[](https://coveralls.io/github/rikbruil/php-redux?branch=master)
[](https://packagist.org/packages/rikbruil/php-redux)
[](https://packagist.org/packages/rikbruil/php-redux)
[](https://scrutinizer-ci.com/g/rikbruil/php-redux/?branch=master)
## Installation
```bash
composer require rikbruil/php-redux
```
## Code example
```php
// Provide the initial state for the application
// This can be any type of value (preferably scalars)
$initialState = 0;
// Provide a reducer
// Reducers modify state based on a given action
// They follow the pattern: (state, action) => state
$reducer = function ($state, $action) {
$type = $action['type'];
if ($type === 'INCREMENT') {
return $state + 1;
}
if ($type === 'DECREMENT') {
return $state - 1;
}
return $state;
};
// Create the application store with the reducer in place
$store = new \Rb\Redux\Store::create($reducer, $initialState);
// Listeners are low-level functionality.
// They can be used to feed state into other (third-party) components.
// Listeners will fire when application state changes.
$listener = function (\Rb\Redux\StoreInterface $store) {
$state = $store->getState();
echo 'Counter: ' . $state . PHP_EOL;
};
// Optional: Middleware is allowed to replace the dispatch() method of the store.
// In this example it allows sending Promises that resolve to actions
$middleware = new \Rb\Redux\Middleware\Chain([
new PromiseMiddleWare()
]);
// Middlewares need to be applied to the store
$middleware($store); // short-hand for: $middleware->apply($store);
// This will update global state to 1
$store->dispatch(['type' => 'INCREMENT']);
// We can safely dispatch promises due to the middleware
$deferred = new Deferred();
$promise = $deferred->promise();
// The listeners won't dispatch until the promise is resolved.
$store->dispatch($promise);
// Will still return 1
echo $store->getState() . PHP_EOL;
sleep(2);
// We will now resolve the promise, triggering the listeners
// This will decrement global state back to 0
$deferred->resolve(['type' => 'DECREMENT']);
// Will now return 0
echo $store->getState() . PHP_EOL;
```
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