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@ 2013-06-20T12:56:07Z

<?php

// 'Child' object.
class Child
{
    public $property = 'foo';
}

// 'Parent' object.
class ParentA implements Serializable
{
    public $rofl = 'foo';

    public function serialize()
    {
        return serialize(array($this->rofl));
    }

    public function unserialize($data)
    {
        list($this->rofl) = unserialize($data);
    }
}

class ParentB extends ParentA
{
    public $collection;

    public function __construct(array $items)
    {
        $this->collection = array();
        foreach ($items as $item)
        {
            $this->collection[] = $item;
        }
    }

    public function serialize()
    {
        return serialize([
            'foo' => $this->collection,
            'parent' => parent::serialize()
        ]);
    }

    public function unserialize($data)
    {
        $data = unserialize($data);
        $this->collection = $data['foo'];
        parent::unserialize($data['parent']);
    }
}

// Wrapper object.
class Wrapper
{
    public $parent;
    public $children;

    public function __construct(ParentB $parent, array $children)
    {
        $this->parent = $parent;

        $this->children = array();
        foreach ($children as $child)
        {
            $this->children[] = $child;
        }
    }
}

$children = [new Child(), new Child(), new Child()];
$parent = new ParentB($children);
$wrapper = new Wrapper($parent, $children);

$data = serialize($wrapper);
var_dump(unserialize($data));

Output for git.master, git.master_jit: Deprecated: ParentA implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/pDLcI on line 10 Deprecated: ParentB implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/pDLcI on line 25 Notice: unserialize(): Error at offset 293 of 295 bytes in /in/pDLcI on line 77 bool(false)
Output for rfc.property-hooks: Deprecated: ParentA implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/pDLcI on line 10 Deprecated: ParentB implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/pDLcI on line 25 Warning: unserialize(): Error at offset 293 of 295 bytes in /in/pDLcI on line 77 bool(false)

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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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