CryptoService/Field32.php at main · oagate/CryptoService · GitHub

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<?php

declare(strict_types=1);

namespace CryptoService;

use InvalidArgumentException;

// Typed value object for a 24-character hash field.
final readonly class Field24
{
    public const LENGTH = 24;

    public string $value;

    public function __construct(string $value)
    {
        if (strlen($value) !== self::LENGTH) {
            throw new InvalidArgumentException(
                sprintf(
                    'Field24 expects exactly %d characters, got %d ("%s").',
                    self::LENGTH,
                    strlen($value),
                    $value,
                )
            );
        }

        $this->value = $value;
    }

    public function toString(): string
    {
        return $this->value;
    }

    public function __toString(): string
    {
        return $this->value;
    }
}