EnvironmentService.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\Extbase\Service;
 
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Http\ApplicationType;
use ‪TYPO3\CMS\Core\SingletonInterface;
 
class ‪EnvironmentService implements ‪SingletonInterface
{
    protected ‪$isFrontendMode;
 
    public function ‪__construct()
    {
        trigger_error(__CLASS__ . ' will be removed in TYPO3 v12, use the PSR-7 Request and the ApplicationType instead.', E_USER_DEPRECATED);
    }
 
    public function ‪isEnvironmentInFrontendMode(): bool
    {
        $this->‪initialize();
        if ($this->isFrontendMode !== null) {
            return ‪$this->isFrontendMode;
        }
        // Frontend mode stays false if backend or cli without request object
        return (‪$GLOBALS['TYPO3_REQUEST'] ?? null) instanceof ServerRequestInterface
            && ‪ApplicationType::fromRequest(‪$GLOBALS['TYPO3_REQUEST'])->isFrontend();
    }
 
    public function ‪isEnvironmentInBackendMode(): bool
    {
        return !$this->‪isEnvironmentInFrontendMode();
    }
 
    protected function ‪initialize(): void
    {
        if ($this->isFrontendMode !== null) {
            return;
        }
        // Frontend mode stays false if backend or cli without request object
        $this->isFrontendMode = (‪$GLOBALS['TYPO3_REQUEST'] ?? null) instanceof ServerRequestInterface
            && ‪ApplicationType::fromRequest(‪$GLOBALS['TYPO3_REQUEST'])->isFrontend();
    }
 
    public function ‪setFrontendMode(bool ‪$isFrontendMode): void
    {
        $this->isFrontendMode = ‪$isFrontendMode;
    }
}