EnvVariableProcessor.php

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<?php
 
/*
 * 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\Configuration\Processor\Placeholder;
 
class ‪EnvVariableProcessor implements ‪PlaceholderProcessorInterface
{
    public function ‪canProcess(string $placeholder, array $referenceArray): bool
    {
        return is_string($placeholder) && (strpos($placeholder, '%env(') !== false);
    }
 
    public function ‪process(string $value, array $referenceArray)
    {
        $envVar = getenv($value);
        if (!$envVar) {
            throw new \UnexpectedValueException('Value not found', 1581501124);
        }
        return $envVar;
    }
}