Online PHP editor | rfc for iTrEf

@ 2025-08-21T16:09:51Z

<?php

abstract class StringWrapper {
    protected function __construct(readonly public string $value) {}
    abstract public static function parse(string $raw): self;
}

class Email extends StringWrapper {
    public static function parse(string $raw): self {
        str_contains($raw, '@') or throw new InvalidArgumentException();
        return new self($raw);
    }
}

class User {
    public function __construct(readonly public Email $email) {}
    
    // Constructors should be strict, use factory methods for a friendly API
    public static function make(string|Email $email): self {
        $email instanceof Email or $email = Email::parse($email);
        return new self($email);
    }
}


$user = new User(Email::parse("dude@la.us"));
$user = User::make("walter@la.us");
// $user = User::make("donnie");   // throws

Output for git.master, git.master_jit

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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