3v4l.org

run code in 300+ PHP versions simultaneously

@ 2020-02-21T09:50:46Z

<?php

class Foo {
    protected string $property;
    
    public function __construct(string $property)
    {
        $this->property = $property;
    }
    
    public function getProperty(): string
    {
        return $this->property;
    }
}

$foo = new Foo("foo");

echo "Default value:\n";
var_dump($foo->getProperty());

echo "\nInvoking the __constructor() method again:\n";
$foo->__construct("baz");
var_dump($foo->getProperty());

// https://ocramius.github.io/blog/accessing-private-php-class-members-without-reflection/
echo "\nClosure binding:\n";
Closure::bind(
    function (): void {
        $this->property = "bang";
    },
    $foo,
    $foo
)->__invoke();
var_dump($foo->getProperty());

echo "\nAbusing anonymous classes:\n";
$fooAbuser = new class("") extends Foo
{
    public function abuse(Foo $foo): Foo
    {
        $foo->property = "boom";
        
        return $foo;
    }
};

var_dump($fooAbuser->abuse($foo)->getProperty());

Output for git.master, git.master_jit, rfc.property-hooks: Default value: string(3) "foo" Invoking the __constructor() method again: string(3) "baz" Closure binding: string(4) "bang" Abusing anonymous classes: string(4) "boom"

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview

60.66 ms | 401 KiB | 8 Q