PHP code example of gdetassigny / simple-container

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

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

    

gdetassigny / simple-container example snippets

use GabrielDeTassigny\SimpleContainer\ContainerProvider;

$container = (new ContainerProvider())->getContainer();

$container->get(Foo\Bar::class); // returns an instance of Foo\Bar

$container = (new ContainerProvider())->getContainer();

class NoConstructor {}

$container->get(NoConstructor::class);

class ConstructorNoParam {
    public function __construct() {}
}

$container->get(ConstructorNoParam::class);

class ConstructorWithClassParam {
    public function __construct(stdClass $param) {}
}

// Note: $param will be also instantiate and injected in the constructor
$container->get(ConstructorWithClassParam::class);

class ConstructorWithDefaultParam {
    public function __construct(?string $test = null) {}
}

// Note: parameters with default values will be set to these values when autowired
$container->get(ConstructorWithDefaultParam::class);

$container = (new ContainerProvider())->getContainer();

class ConstructorWithPrimitiveParam {
    public function __construct(string $test) {}
}

// Fails! Autowiring cannot figure out the value of the $test parameter.
// Consider using a service provider
$container->get(ConstructorWithPrimitiveParam::class);

interface FooInterface {}
class Bar implements FooInterface {}

// Fails! Autowiring does not know which concrete class you want
// Consider using either a YAML Config or a service provider 
$container->get(FooInterface::class);

use GabrielDeTassigny\SimpleContainer\ContainerProvider;

$container = (new ContainerProvider('/path/to/config.yaml'))->getContainer();

$container->get(Foo\BarInterface::class); // returns an instance of Foo\Bar
$container->get('some-id'); // returns an instance of Foo\Baz

use GabrielDeTassigny\SimpleContainer\ServiceProvider;
use GabrielDeTassigny\SimpleContainer\ContainerProvider;

class FooServiceProvider implements ServiceProvider
{
    public function getService(): object
    {
        return new Foo('some-string');
    }
}

$containerProvider = new ContainerProvider();
$containerProvider->registerService(Foo::class, new FooServiceProvider());

$container = $containerProvider->getContainer();

$container->get(Foo::class); // returns the instance of Foo defined in FooServiceProvider