PHP code example of luoluolzb / di

1. Go to this page and download the library: Download luoluolzb/di library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

luoluolzb / di example snippets



use luoluolzb\di\Container;

$container = new Container();


// 注入匿名函数
$container->set('logger', function($c) {
    $logger = new Monolog\Logger;
    $logger->pushHandler(new Monolog\Handler\StreamHandler('app.log', Logger::WARNING));
    return $logger;
});

// 注入类实例
$container->set('myClass', new MyClass());

// 注入数组
$container->set('configs', ([
    'db' => [
        'type' => 'mysql',
        'host' => 'localhost',
        'dbname' => 'test',
        'port' => '3306',
        'user' => 'root',
        'password' => '123456',
    ],
]);

// 注入标量
$container->set('isExists', true);


$container->set('pdo', function($c) {
    // $c 为容器实例
    $c = $c->get('configs')['db'];
    $dsn = "{$c['type']}:host={$c['host']};port={$c['port']};dbname={$c['dbname']};";
    return new PDO($dsn, $c['user'], $c['password']);
});


$container = new Container([
    'logger' => function($c) {
        $logger = new Monolog\Logger;
        $logger->pushHandler(new Monolog\Handler\StreamHandler('app.log', Logger::WARNING));
        return $logger;
    },

    'myClass' => new MyClass(),

    'configs' => [
        'db' => [
            'type' => 'mysql',
            'host' => 'localhost',
            'dbname' => 'test',
            'port' => '3306',
            'user' => 'root',
            'password' => '123456',
        ],
    ],
]);


// 注入匿名函数
$container->factory('myClass', function($c) {
    return MyClass();
});


$container = new Container([
    'logger' => function($c) {
        $logger = new Monolog\Logger;
        $logger->pushHandler(new Monolog\Handler\StreamHandler('app.log', Logger::WARNING));
        return $logger;
    },

    'myClass' => function($c) {
        return MyClass();
    },
], [
    'logger' => true,
]);


$logger = $container->get('logger');
$logger->info('some info');


$container->set('db', function($c) {
    return Db::getInstance();
});


$container->delete('logger');


if ($container->has('logger')) {
    // ...
} else {
    // ...
}


// 注入实体
$container['configs'] = [
    'db' => [
        'type' => 'mysql',
        'host' => 'localhost',
        'dbname' => 'test',
        'port' => '3306',
        'user' => 'root',
        'password' => '123456',
    ],
];

// 获取实体
$dbConf = $container['configs']['db'];

// 删除实体
unset($container['configs']);

// 判断实体是否存在
$ret = isset($container['configs']);


$count = $container->count();


$count = count($container);