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@ 2020-03-18T19:37:20Z

<?php

class SomeObject 
{
    private $name;
    
    public function __construct($name)
    {
        $this->name = $name;
    }
}

class SomeClass1
{
    private $object;
    
    public function __construct($object)
    {
        $this->object = $object;
    }
    
    public function getObject()
    {
        return $this->object;
    }
}

class SomeClass2
{
    private $object;
    
    public function __construct(&$object)
    {
        $this->object = $object;
    }
    
    public function getObject()
    {
        return $this->object;
    }
}

$object1 = new SomeObject('obj1');
$object2 = new SomeObject('obj2');
$someClass1 = new SomeClass1($object1);
$someClass2 = new SomeClass2($object2);
$object1 = null;
$object2 = null;
var_dump($someClass1->getObject());
var_dump($someClass2->getObject());
var_dump($object1);
var_dump($object2);

Output for git.master, git.master_jit, rfc.property-hooks: object(SomeObject)#1 (1) { ["name":"SomeObject":private]=> string(4) "obj1" } object(SomeObject)#2 (1) { ["name":"SomeObject":private]=> string(4) "obj2" } NULL NULL

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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