StrftimeViewHelper.php

<?php
namespace SotaStudio\NewsExtended\ViewHelpers;

/***************************************************************
 *  Copyright notice
 *
 *  (c) 2015 Andy Hausmann <ah@sota-studio.de>, SOTA Studio
 *
 *  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 3 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!
 ***************************************************************/

/**
 * Formats a string to timestamp.
 *
 * @package TYPO3
 * @subpackage news_extended
 */
class StrftimeViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper {

	/**
	 * Render the supplied DateTime object as a formatted date using strftime.
	 *
	 * @param mixed $date either a DateTime object or a string (UNIX-Timestamp)
	 * @param string $format Format String which is taken to format the Date/Time
	 * @return string Formatted date
	 * @throws \TYPO3\CMS\Fluid\Core\ViewHelper\Exception
	 */
	public function render($date = NULL, $format = '') {
		if ($date === NULL) {
			$date = $this->renderChildren();
			if ($date === NULL) {
				return '';
			}
		}
		if ($date instanceof \DateTime) {
			try {
				return strftime($format, $date->getTimestamp());
			} catch (\Exception $exception) {
				throw new \TYPO3\CMS\Fluid\Core\ViewHelper\Exception('"' . $date . '" was DateTime and could not be converted to UNIX-Timestamp by DateTime.', 200000001);
			}
		}

		return strftime($format, (int)$date);
	}
}