MaximumFileSizeViewHelper.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\Form\ViewHelpers\Be;
 
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
 
class ‪MaximumFileSizeViewHelper extends AbstractViewHelper
{
    use CompileWithRenderStatic;
 
    public static function ‪renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        $maxUploadFileSize = GeneralUtility::getMaxUploadFileSize();
        // format according to PHP formatting rules (K = kilobytes instead of kibibytes)
        $formattedSize = GeneralUtility::formatSize($maxUploadFileSize * 1024, '|k|M|G|T|P|E|Z|Y');
        // remove decimals from result to match EXT:form validator integer format
        return preg_replace('/(\d+)(.+\d{2})?([kMGTPEZY]{0,1})/', '$1$3', $formattedSize);
    }
}