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<?php
declare(strict_types=1);
namespace Ctefan\Redux\Reducer;
use Ctefan\Redux\Action\ActionInterface;
/**
* Each reducer of the CombinedReducer reduces another part of the state.
*
* Which part is defined by its key in the reducer array.
*/
class CombinedReducer
{
* @var array<string,callable>
protected $reducers = [];
* CombinedReducer constructor.
* @param array<string,callable> $reducers
public function __construct(array $reducers)
foreach ($reducers as $key => $reducer) {
$this->addReducer($key, $reducer);
}
* @param array $state
* @param ActionInterface $action
* @return array
public function __invoke(array $state, ActionInterface $action): array
foreach ($this->getReducers() as $key => $reducer) {
$state[$key] = call_user_func(
$reducer,
isset($state[$key]) ? $state[$key] : null,
$action
);
return $state;
* @param callable $reducer
protected function addReducer(string $key, callable $reducer): void
$this->reducers[$key] = $reducer;
* @return array<string,callable>
protected function getReducers(): array
return $this->reducers;
Cmytxy /
redux-php
