PHP code example of agashe / sigmaphp-container

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

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

    

agashe / sigmaphp-container example snippets

igmaPHP\Container\Container;
use MyApp\MailerService;

$container = new Container();

$container->set(MailerService::class);

if ($container->has(MailerService::class)) {
    $mailerService = $container->get(MailerService::class);
}

$container->set('mailer', MailerService::class);
$container->set(MailerServiceInterface::class, MailerService::class);
$container->set('PI', 3.14);
$container->set('odd_numbers', [1, 3, 5, 7]);
$container->set('my_exception', (new \Exception('whatever...')));
$container->set('_function', fn() => 5+6);

use MyApp\MailerService;
use MyApp\DbConnection;

class UserModel
{
    private $conn;
    private $mailer;

    public function __construct()
    {
        $this->conn = new DbConnection();
        $this->mailer = new MailerService();
    }
}

class UserModel
{
    private $conn;
    private $mailer;

    public function __construct(DbConnection $conn, MailerService $mailer) 
    {
        $this->conn = $conn;
        $this->mailer = $mailer;
    }
}

class UserModel
{
    private $conn;
    private $mailer;

    public function __construct()
    {}
    
    public function setDbConnection(DbConnection $conn)
    {
        $this->conn = $conn;
    }
    
    public function setMailerService(MailerService $mailer)
    {
        $this->mailer = $mailer;
    }
}

class UserModel
{
    private $conn;
    private $mailer;

    public function __construct(DbConnection $conn, MailerService $mailer) 
    {
        $this->conn = $conn;
        $this->mailer = $mailer;
    }
}

// Shape class
class Shape
{
    private $height;
    private $width;
    private $length;

    public function __construct($height, $width, $length = 30)
    {
        $this->height = $height;
        $this->width = $width;
        $this->length = $length;
    }
}

// set in the container
$container = new Container();

$container->set(Shape::class)
    ->setParam('height', 10)
    ->setParam('width', 20);

$container->set(DoEverything::class)
    ->setParam('my_function', fn() => true)
    ->setParam('an_array', ['a', 'b', 'c'])
    ->setParam('error', (new \Exception()))
    ->setParam('count', 100);

// UserModel example
$container->set(UserModel::class)
    ->setParam('conn', function() {
        return new DbConnection();
    })
    ->setParam('mailer', function() {
        return new MailerService();
    });

// Shape class
class Shape
{
    private $height;
    private $width;
    private $length;

    public function __construct($height, $width, $length = 30)
    {
        $this->height = $height;
        $this->width = $width;
        $this->length = $length;
    }
    
    public function setDrawHandler(DrawHandler $handler)
    {
        $this->height = $height;
        $this->width = $width;
        $this->length = $length;
    }
}

// bind Shape class to the container
$container = new Container([
    DrawHandler::class => DrawHandler::class
    Shape::class => [
        'definition' => Shape::class,
        'params' => [
            'height' => 10,
            'width'  => 20
            'length' => 30
        ],
        'methods' => [
            'setDrawHandler' => []
        ]
    ])
]);

$container = new Container();

$container->set('create_cube', function () {
    $height = 5;
    $width  = 5;
    $length = 5;

    return (new Shape($height, $width, $length));
});

var_dump($container->get('create_cube')); // Shape

$container = new Container();

$container->set('db_connection', function ($host, $db, $user, $pass) {
    return (new \PDO("mysql:host=$host;dbname=$db", $user, $pass));
})
    ->setParam('host', 'localhost')
    ->setParam('db', 'test')
    ->setParam('user', 'root')
    ->setParam('pass', 'root');

var_dump($container->get('db_connection')); // PDO

class Calculator
{
    public function add($a, $b)
    {
        return $a + $b;
    }
}

// somewhere in the app
$container = new Container();

$container->set(Calculator::class);

$result = $container->call(Calculator::class, 'add', [
    'a' => 5,
    'b' => 6,
]);

var_dump($result); // 11

callFunction(\Closure $closure, array $args = []): mixed

$container = new Container();

$result = $container->callFunction(function ($a, $b) {
        return $a + $b;
    }, 
    [
        'a' => 5,
        'b' => 6,
    ]
);

var_dump($result); // 11

igmaPHP\Container\Container;

$container = new Container();

$container->autowire();

$user = $container->get(UserModel::class);