Online PHP editor | output for pJbBI

<?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);