Online PHP editor | rfc for Yhuue

@ 2023-12-20T09:26:46Z

<?php

class DIContainer1 implements ArrayAccess
{
    private array $registered;
    private array $created;

    public function offsetSet(mixed $offset, mixed $value): void 
    {
        if (is_null($offset)) {
            throw new DIContainerException('Обязательно должен быть указан ключ.');
        }
        
        if (array_key_exists($offset, $this->registered)) {
            throw new DIContainerException('Нельзя использовать один и тот же ключ для нескольких элементов.');
        }
        
        $this->registered[$offset] = $value;
    }
        
    public function offsetExists(mixed $offset): bool 
    {
        return isset($this->registered[$offset]);
    }

    public function offsetUnset(mixed $offset): void 
    {
        unset($this->registered[$offset]);
        unset($this->created[$offset]);
    }

    public function offsetGet(mixed $offset): mixed 
    {
        if (array_key_exists($offset, $this->created)) {
            return $this->created[$offset];
        } elseif (array_key_exists($offset, $this->registered)) {
            $object = $this->registered[$offset]($this);
            $this->created[$offset] = $object;
            return $object;
        } else {
            throw new DIContainerException('Элемент с таким ключом не зарегистрирован.');
        }
    }
}

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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