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@ 2023-12-03T18:32:02Z

<?php
readonly class FormattedString {
    private string $value;
    
    private function __construct (string $str) {
        $this->value = $str;
        
    }
    
    public static function create (string $str): self|NotValidFormattedString {
        $matches = null;
        preg_match("/[a-z]{2}-[a-z]{2}-[a-z]{8}-[a-z]{1}/", $str, $matches);
        if (count($matches) === 0) {
            return new NotValidFormattedString($str, "poshel nahoi suka, chto za govno ti mne peredal, blyad");
        }
        
        return new self($str);
    }
}

readonly class NotValidFormattedString {
    public function __construct (public string $str, public string $err) {}
}

class ValidateFormattedString {
    public function __invoke(string $str): FormattedString|NotValidFormattedString {
        return FormattedString::create($str);
    }
}

class SuperYellowCircle {
    public function __construct (public FormattedString $toChtoVMoemPrimereByloClassomYoba) {}
}

$stringOne = (new ValidateFormattedString)("aa-bb-cccccccc-d");
$circleOne = new SuperYellowCircle($stringOne);
var_dump($circleOne);

$stringTwo = (new ValidateFormattedString)("butthurt");
$circleTwo = new SuperYellowCircle($stringTwo);
var_dump($circleTwo);

Output for git.master, git.master_jit: object(SuperYellowCircle)#1 (1) { ["toChtoVMoemPrimereByloClassomYoba"]=> object(FormattedString)#2 (1) { ["value":"FormattedString":private]=> string(16) "aa-bb-cccccccc-d" } } Fatal error: Uncaught TypeError: SuperYellowCircle::__construct(): Argument #1 ($toChtoVMoemPrimereByloClassomYoba) must be of type FormattedString, NotValidFormattedString given, called in /in/pJbBI on line 40 and defined in /in/pJbBI:32 Stack trace: #0 /in/pJbBI(40): SuperYellowCircle->__construct(Object(NotValidFormattedString)) #1 {main} thrown in /in/pJbBI on line 32
Process exited with code 255.

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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