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ExtensionViewHelper.php
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ExtensionViewHelper.php
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<?php
namespace FluidTYPO3\Vhs\ViewHelpers\Media;
/***************************************************************
* Copyright notice
*
* (c) 2014 Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
*
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
* ************************************************************* */
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
/**
* Returns the extension of the provided file
*
* @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
* @package Vhs
* @subpackage ViewHelpers\Media
*/
class ExtensionViewHelper extends AbstractViewHelper {
/**
* Initialize arguments.
*
* @return void
* @api
*/
public function initializeArguments() {
$this->registerArgument('file', 'string', 'Path to the file to determine extension for.', FALSE);
}
/**
* @return string
*/
public function render() {
$filePath = $this->arguments['file'];
if (TRUE === empty($filePath)) {
$filePath = $this->renderChildren();
if (NULL === $filePath) {
return '';
}
}
$file = GeneralUtility::getFileAbsFileName($filePath);
$parts = explode('.', basename($file));
// file has no extension
if (1 === count($parts)) {
return '';
}
$extension = strtolower(array_pop($parts));
return $extension;
}
}