FrontendSimulatorUtility.php

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<?php
namespace TYPO3\CMS\Extbase\Utility;

/*
 * 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!
 */

class FrontendSimulatorUtility
{
    protected static $tsfeBackup;

    public static function simulateFrontendEnvironment(\TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer $cObj = null)
    {
        self::$tsfeBackup = isset($GLOBALS['TSFE']) ? $GLOBALS['TSFE'] : null;
        $GLOBALS['TSFE'] = new \stdClass();
        $GLOBALS['TSFE']->cObjectDepthCounter = 100;
        $GLOBALS['TSFE']->cObj = $cObj !== null ? $cObj : \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer::class);
    }

    public static function resetFrontendEnvironment()
    {
        if (!empty(self::$tsfeBackup)) {
            $GLOBALS['TSFE'] = self::$tsfeBackup;
        }
    }
}