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@ 2020-07-17T16:34:36Z

<?php

class Carro implements IteratorAggregate
{
    private Peca $motor;
    private Peca $pneus;
    private Peca $amortecedor;

    public function __construct(
        Peca $motor,
        Peca $pneus,
        Peca $amortecedor
    ) {
        $this->motor = $motor;
        $this->pneus = $pneus;
        $this->amortecedor = $amortecedor;
    }
    
    public function __get($atributo)
    {
        return $this->$atributo;
    }
    
    public function __set($atributo, $valor)
    {
        $this->$atributo = $valor;
    }
    
    public function getIterator()
    {
        return new \ArrayIterator([
            $this->motor,
            $this->pneus,
            $this->amortecedor,
        ]);
    }
}

class Peca
{
    private string $marca;
    private string $modelo;
    private float $preco;

    public function __construct(
        ?string $marca,
        string $modelo,
        float $preco
    ) {
        $this->marca = $marca;
        $this->modelo = $modelo;
        $this->preco = $preco;
    }

    public function __get($atributo)
    {
        return $this->$atributo ;
    }
    
    public function __set($atributo, $valor)
    {
        $this->$atributo = $valor;
    }

}

$carro = new Carro(
    new Peca('Teste', "1.8", 15000.00),
    new Peca("Pirelli", "P7", 500.00),
    new Peca("Cofap", "ar", 1000.00)
);

foreach($carro as $peca){
    $peca->marca = "VW";
}

var_dump($carro);

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of Carro::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4HmUZ on line 29 object(Carro)#1 (3) { ["motor":"Carro":private]=> object(Peca)#2 (3) { ["marca":"Peca":private]=> string(2) "VW" ["modelo":"Peca":private]=> string(3) "1.8" ["preco":"Peca":private]=> float(15000) } ["pneus":"Carro":private]=> object(Peca)#3 (3) { ["marca":"Peca":private]=> string(2) "VW" ["modelo":"Peca":private]=> string(2) "P7" ["preco":"Peca":private]=> float(500) } ["amortecedor":"Carro":private]=> object(Peca)#4 (3) { ["marca":"Peca":private]=> string(2) "VW" ["modelo":"Peca":private]=> string(2) "ar" ["preco":"Peca":private]=> float(1000) } }

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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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