9.5/_bytes_view_helper_8php_source.html

<?php

namespace ‪TYPO3\CMS\Fluid\ViewHelpers\Format;


/*

 * 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!

 */


use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use ‪TYPO3\CMS\Extbase\Utility\LocalizationUtility;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithContentArgumentAndRenderStatic;


class ‪BytesViewHelper extends AbstractViewHelper

{

    use CompileWithContentArgumentAndRenderStatic;


    protected ‪$escapeChildren = false;


    public function ‪initializeArguments()

    {

        $this->registerArgument('value', 'int', 'The incoming data to convert, or NULL if VH children should be used');

        $this->registerArgument('decimals', 'int', 'The number of digits after the decimal point', false, 0);

        $this->registerArgument('decimalSeparator', 'string', 'The decimal point character', false, '.');

        $this->registerArgument('thousandsSeparator', 'string', 'The character for grouping the thousand digits', false, ',');

        $this->registerArgument('units', 'string', 'comma separated list of available units, default is LocalizationUtility::translate(\'viewhelper.format.bytes.units\', \'fluid\')');

    }


    public static function ‪renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)

    {

        if ($arguments['units'] !== null) {

            $units = $arguments['units'];

        } else {

            $units = ‪LocalizationUtility::translate('viewhelper.format.bytes.units', 'fluid');

        }

        $units = GeneralUtility::trimExplode(',', $units, true);


        $value = $renderChildrenClosure();


        if (is_numeric($value)) {

            $value = (float)$value;

        }

        if (!is_int($value) && !is_float($value)) {

            $value = 0;

        }

        $bytes = max($value, 0);

        $pow = floor(($bytes ? log($bytes) : 0) / log(1024));

        $pow = min($pow, count($units) - 1);

        $bytes /= pow(2, 10 * $pow);


        return sprintf(

            '%s %s',

            number_format(

                round($bytes, 4 * $arguments['decimals']),

                $arguments['decimals'],

                $arguments['decimalSeparator'],

                $arguments['thousandsSeparator']

            ),

            $units[$pow]

        );

    }

}