Online PHP editor | rfc for 4MQac

@ 2015-05-29T09:53:26Z

<?php

class Foo
{
    private $holder;
    
    private $children;
    
    public function __construct($content = '', array $children = [])
    {
        $this->holder = $content;
        $this->setChildren($children);
    }
    
    public function setChildren(array $children)
    {
        $this->children = $children;
        foreach ($children as $child) {
            $child->setParent($this);
        }
    }
}
class Bar
{
    private $holder;
    
    private $parent;
    
    public function __construct($content = '', Foo $parent = null)
    {
        $this->holder = $content;
        $this->setParent($parent);
    }
    
    public function setParent(Foo $parent = null)
    {
        $this->parent = $parent;
    }
}

$child0 = new Bar('child#0');
$child1 = new Bar('child#1');
//same
$child2 = new Bar('child#0');
$child3 = new Bar('child#1');

$parent0 = new Foo('parent', [$child0, $child1]);
$parent1 = new Foo('parent', [$child2, $child3]);

//Fatal:
var_dump(get_object_vars($parent0) == get_object_vars($parent1));

Output for git.master, git.master_jit, rfc.property-hooks: bool(true)

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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