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<?php
namespace TYPO3\Fluid\ViewHelpers\Format;
/* *
* This script belongs to the TYPO3 Flow package "Fluid". *
* *
* It is free software; you can redistribute it and/or modify it under *
* the terms of the GNU Lesser General Public License, either version 3 *
* of the License, or (at your option) any later version. *
* *
* The TYPO3 project - inspiring people to share! *
* */
use TYPO3\Flow\Annotations as Flow;
use TYPO3\Flow\I18n;
use TYPO3\Fluid\Core\ViewHelper;
/**
* Formats an integer with a byte count into human-readable form.
*
* = Examples =
*
* <code title="Defaults">
* <f:format.bytes>{filesize}</f:format.date>
* </code>
* <output>
* 123KB
* </output>
*
* @api
*/
class BytesViewHelper extends \TYPO3\Fluid\Core\ViewHelper\AbstractViewHelper {
/**
* @var array
*/
protected $units = array('B', 'KB', 'MB', 'GB', 'TB', 'EB', 'ZB', 'YB');
/**
* Render the supplied byte count as a human readable string.
*
* @param integer $decimals The number of digits after the decimal point
* @param string $decimalSeparator The decimal point character
* @param string $thousandsSeparator The character for grouping the thousand digits
* @return string Formatted byte count
* @throws \TYPO3\Fluid\Core\ViewHelper\Exception
* @api
*/
public function render($decimals = 1, $decimalSeparator = '.', $thousandsSeparator = ',') {
$bytes = max((integer)$this->renderChildren(), 0);
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
$pow = min($pow, count($this->units) - 1);
$bytes /= (1 << (10 * $pow));
return sprintf(
'%s %s',
number_format(round($bytes, 4 * $decimals), $decimals, $decimalSeparator, $thousandsSeparator),
$this->units[$pow]
);
}
}
?>
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