* @author Stefan Neufeind * @copyright 2003-2009 The PHP Group * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version SVN: $Id: Date.php 291170 2009-11-23 03:50:22Z neufeind $ * @link http://pear.php.net/package/Image_Graph */ /** * Include file Image/Graph/DataPreprocessor.php */ require_once 'Image/Graph/DataPreprocessor.php'; /** * Formats Unix timestamp as a date using specified format. * * @category Images * @package Image_Graph * @subpackage DataPreprocessor * @author Jesper Veggerby * @author Stefan Neufeind * @copyright 2003-2009 The PHP Group * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version Release: 0.8.0 * @link http://pear.php.net/package/Image_Graph */ class Image_Graph_DataPreprocessor_Date extends Image_Graph_DataPreprocessor { /** * The format of the Unix time stamp. * See PHP * Manual for a description * @var string * @access private */ var $_format; /** * Create a DateData preprocessor [Constructor] * * @param string $format See {@link http://www.php.net/manual/en/function.date.php * PHP Manual} for a description */ function Image_Graph_DataPreprocessor_Date($format) { parent::__construct(); $this->_format = $format; } /** * Process the value * * @param var $value The value to process/format * * @return string The processed value * @access private */ function _process($value) { if (!$value) { return false; } else { return date($this->_format, $value); } } } ?>