PHP 8.4?? ??? ??? ??? ??? ?? ??

?? PHP ????? ?? 8.4 ??? ???? ??? ??? ??? ???????. ??? ??? ???? ? ??? ??? ???? ???? ??? ???? ??? ???? ??? ??? ??? ??? ? ????. ? ??? ?? ?? RFC? ?? ?? ???? ??? ?? ReflectionClass API? ??? ??? ?? ??? ?? ???????.

RFC ??
Lazy Objects? ???? ????? RFC?? ?? ?? ??? ??????.

class MyClass
{
    public function __construct(private int $foo)
    {
        // Heavy initialization logic here.
    }

    // ...
}

$initializer = static function (MyClass $ghost): void {
    $ghost->__construct(123);
};

$reflector = new ReflectionClass(MyClass::class);
$object = $reflector->newLazyGhost($initializer);

// At this point, $object is a lazy ghost object.

? ????? ?? ???? ??? ????? ???? ???? ???? ???? ?? ????? ? ? ????.

? RFC?? ??? ?? ??? ??? ?? Lazy Objects API? ???? PSR-11 ?? ??? ?? ????? ???? ??????.

ContainerLazyObject? ??

????? ??? ContainerLazyObject ???? ????. ?? ?? ???? ???? ??? ???? ? ????. ?, ??? ??? ?? ????????. ? ??? ???? ?? ??? ??? ????.

public function set(string $id, object|string $concrete): void
{
    $reflector = new ReflectionClass($id);
    $initializer = $concrete;

    if (is_string($concrete)) {
        $initializer = function(object $instance) use ($concrete): void {
            $this->instances[$instance::class] = $concrete($this);
        };
    }

    if (is_object($concrete) && !$concrete instanceof Closure) {
        $initializer = function(object $instance) use ($concrete): void {
            $this->instances[$instance::class] = $concrete;
        };
    }

    $this->instances[$id] = $reflector->newLazyGhost($initializer);
}

????? ??? ??

?? ????? ??? ??? ?? ??? ???? ????? ???? ?????. ??? ? ?? ????.

$container = new ContainerLazyObject();
$containerer->set(DatabaseService::class, fn() => new DatabaseService(new LoggerService()));
$container->set(LoggerService::class, fn() => new LoggerService());

// Alternative approach with class names
$container->set(DatabaseService::class, DatabaseService::class);
$containerr->set(LoggerService::class, LoggerService::class);

// Using already instantiated objects
$container->set(DatabaseService::class, new DatabaseService(new LoggerService()));
$container->set(LoggerService::class, new LoggerService());

??? ????? ?? ContainerLazyObject? ???? ???? ????? ?? ??? ??? ????? ? ??? ????? ??? ? ????.

?????? ??? ??
???? ????? ???? ??? ??? ??? ? ????. ????? ???? ?? ???????? ????? ??? ??? ??? ???? ???? ????. ??? ???? ???? ??? ?? ??? ????.

// Retrieving the services from the container
$loggerService = $container->get(LoggerService::class);
$databaseService = $container->get(DatabaseService::class);

ContainerLazyObject? ?? ????? ??? ContainerLazyObject ???? ????. ?? ?? ???? ???? ??? ???? ? ????. ?, ??? ??? ?? ?????. ? ??? ???? ?? ??? ??? ????.

public function set(string $id, object|string $concrete): void
{
    $reflector = new ReflectionClass($id);
    $initializer = $concrete;

    if (is_string($concrete)) {
        $initializer = function(object $instance) use ($concrete): void {
            $this->instances[$instance::class] = $concrete($this);
        };
    }

    if (is_object($concrete) && !$concrete instanceof Closure) {
        $initializer = function(object $instance) use ($concrete): void {
            $this->instances[$instance::class] = $concrete;
        };
    }

    $this->instances[$id] = $reflector->newLazyGhost($initializer);
}

PSR-11 ???

ContainerLazyObject? ? ?? ??? ??? ?? ????? PHP ??? PSR-11?? ??????. ?? ??? ?? ????? ? ??????? ?? ???? ???? ??? ???? ???? ???.

?? ?????? ?? ??

????? ??? ???? ?? ??? ???? PhpBench? ???? ?? ?? ??? Pimple, Illuminate ? PHP-DI? ??????. ??? ????????.

class MyClass
{
    public function __construct(private int $foo)
    {
        // Heavy initialization logic here.
    }

    // ...
}

$initializer = static function (MyClass $ghost): void {
    $ghost->__construct(123);
};

$reflector = new ReflectionClass(MyClass::class);
$object = $reflector->newLazyGhost($initializer);

// At this point, $object is a lazy ghost object.

?? ????? ??? ??? ?? ?????? Illuminate Container ? PHP-DI? ?? ?? ??? ???? ?? ?? ??? ??? ???????.

??? ??

public function set(string $id, object|string $concrete): void
{
    $reflector = new ReflectionClass($id);
    $initializer = $concrete;

    if (is_string($concrete)) {
        $initializer = function(object $instance) use ($concrete): void {
            $this->instances[$instance::class] = $concrete($this);
        };
    }

    if (is_object($concrete) && !$concrete instanceof Closure) {
        $initializer = function(object $instance) use ($concrete): void {
            $this->instances[$instance::class] = $concrete;
        };
    }

    $this->instances[$id] = $reflector->newLazyGhost($initializer);
}

??

PHP 8.4? Lazy Objects? ??? ??? ????? ???? ? ?? ??? ???? ?????. ??? ContainerLazyObject? ??? ????? ??? ?? ??? PSR-11? ???? ?? ????? ? ??????? ?? ???? ?????.

? ?? ??? ????? ?? ?????? ??? ??? ??? ???? ? ??? ?????!

? ??? PHP ??? ??? ???? PSR ?? ??? ?? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!