Settings.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Settings;
 
readonly class ‪Settings implements ‪SettingsInterface
{
    public function ‪__construct(
        protected array $settings,
    ) {}
 
    public function ‪has(string ‪$identifier): bool
    {
        return isset($this->settings[‪$identifier]);
    }
 
    public function get(string ‪$identifier): mixed
    {
        if (!$this->‪has(‪$identifier)) {
            throw new \InvalidArgumentException('Setting does not exist', 1709555772);
        }
        return $this->settings[‪$identifier];
    }
 
    public function ‪getIdentifiers(): array
    {
        return array_keys($this->settings);
    }
 
    public static function ‪__set_state(array $state): self
    {
        return new self(...$state);
    }
}