Container.md

容器 Container

$container = Helper::container();

// 定义参数
$container['tempConfig'] = ['index' => 'Hello {{ name }}!'];

// 定义服务
$container['db_service_1'] = fn($c) => new DbHelper();
$container['templateLoader'] = fn($c) => TemplateHelper::array($c['tempConfig']); // 调用动态参数

// 每次返回相同实例
$db1 = $container['db_service_1'];
$db2 = $container['db_service_1'];
$this->assertTrue($db1 === $db2);

// 工厂模式，每次返回不同实例
$container['db_service_2'] = $container->factory(fn($c) => new DbHelper());
$db3 = $container['db_service_2'];
$db4 = $container['db_service_2'];
$this->assertFalse($db3 === $db4);

// 参数保护
$container['random'] = $container->protect(fn() => rand()); // 匿名函数
$this->assertIsInt($container['random']());
$container['templateLoader_factory'] = $container->protect(function ($config) {
	return TemplateHelper::array($config); // 工厂函数
});
$this->assertEquals(Twig\Loader\ArrayLoader::class, $container['templateLoader_factory']($container['tempConfig'])::class);

文档 https://github.com/silexphp/Pimple