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@ 2014-11-03T07:49:35Z

<?php

interface Arrayable {
    public function toArray();
}

class Item implements Arrayable {
    protected $attributes = array();
    protected $someParameter = true;

    public function __construct($attributes)
    {
        $this->attributes = $attributes;
    }

    public function toArray()
    {
        return $this->attributes;
    }
}

class ItemCollection implements Arrayable {
    protected $items = array();

    public function addItem(Item $item)
    {
        $this->items[] = $item;
    }

    public function toArray()
    {
        $result = array();
        foreach ($this->items as $item) {
            $result[] = $item->toArray();
        }
        return $result;
    }
}

$array = array('foo', 'bar', 'baz');

$item = new Item($array);

var_dump((array) $item);
var_dump($item->toArray());

$collection = new ItemCollection();
$collection->addItem($item);
$collection->addItem($item);

var_dump((array) $collection);
var_dump($collection->toArray());

Output for git.master, git.master_jit, rfc.property-hooks: array(2) { ["*attributes"]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["*someParameter"]=> bool(true) } array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } array(1) { ["*items"]=> array(2) { [0]=> object(Item)#1 (2) { ["attributes":protected]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["someParameter":protected]=> bool(true) } [1]=> object(Item)#1 (2) { ["attributes":protected]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["someParameter":protected]=> bool(true) } } } array(2) { [0]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } [1]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } }

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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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