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@ 2021-12-01T16:31:07Z

<?php

abstract class Cache{
    protected function put($key,$value){
        static $cache = [];
        var_dump($cache);
        return $cache[$key] = $value;
    }
}

$instance1 = new class extends Cache{
    
    public function store($key,$value)
    {
        return $this->put($key,$value);
    }
};

$instance1->store("one",1);
$instance1->store("two",2);
$instance1->store("three",3);


$instance2 = new class extends Cache{
    
    public function store($key,$value)
    {
        return $this->put($key,$value);
    }
};

$instance2->store("four",4);
$instance2->store("five",5);


$instance3 = new class extends Cache{
    
    public function store($key,$value)
    {
        return $this->put($key,$value);
    }
};

$instance3->store("six",6);
$instance3->store("seven",7);

Output for git.master, git.master_jit, rfc.property-hooks: array(0) { } array(1) { ["one"]=> int(1) } array(2) { ["one"]=> int(1) ["two"]=> int(2) } array(3) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(3) } array(4) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(3) ["four"]=> int(4) } array(5) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(3) ["four"]=> int(4) ["five"]=> int(5) } array(6) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(3) ["four"]=> int(4) ["five"]=> int(5) ["six"]=> int(6) }

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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