Online PHP editor | rfc for 8VDoZ

@ 2016-03-18T12:26:02Z

<?php

class Hi
{
    protected $message = 'Hello';
    public function setMessage(string $message)
    {
        $this->message = $message;
    }
    public function sayHello() : Hi
    {
        var_dump($this->message);
        
        return $this;
    }
}

class WrapperCat extends Hi
{
    private $realThing;
    public function __construct(Hi $realThing) // should be a named constructor instead
    {
        $this->realThing = $realThing;
    }
    
    public function sayHello() : Hi
    {
        var_dump('WrapperCat Meow! ');
        
        return $this->realThing->sayHello();
    }
}

class CopyCat extends Hi
{
    public function __construct(Hi $realThing) // should be a named constructor instead
    {
        $this->message = & $realThing->message;
    }
    
    public function sayHello() : Hi
    {
        var_dump('CopyCat Meow! ' . $this->message);
        
        return $this;
    }
}

$hi = new Hi;
$wrapperCat = new WrapperCat($hi);
$copyCat = new CopyCat($hi);

$hi->setMessage('Hello');

var_dump(Hi::class);
$hi->sayHello()->sayHello();
var_dump(WrapperCat::class);
$wrapperCat->sayHello()->sayHello();
var_dump(CopyCat::class);
$copyCat->sayHello()->sayHello();

$hi->setMessage('Hi');

var_dump(Hi::class);
$hi->sayHello()->sayHello();
var_dump(WrapperCat::class);
$wrapperCat->sayHello()->sayHello();
var_dump(CopyCat::class);
$copyCat->sayHello()->sayHello();

Output for rfc.property-hooks, git.master, git.master_jit: string(2) "Hi" string(5) "Hello" string(5) "Hello" string(10) "WrapperCat" string(17) "WrapperCat Meow! " string(5) "Hello" string(5) "Hello" string(7) "CopyCat" string(19) "CopyCat Meow! Hello" string(19) "CopyCat Meow! Hello" string(2) "Hi" string(2) "Hi" string(2) "Hi" string(10) "WrapperCat" string(17) "WrapperCat Meow! " string(2) "Hi" string(2) "Hi" string(7) "CopyCat" string(16) "CopyCat Meow! Hi" string(16) "CopyCat Meow! Hi"

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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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