[Sommaire] [Imprimer]

   1  <?php
   2  
   3  /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
   4  
   5  /**
   6   * Image_Graph - PEAR PHP OO Graph Rendering Utility.
   7   *
   8   * PHP versions 4 and 5
   9   *
  10   * LICENSE: This library is free software; you can redistribute it and/or modify
  11   * it under the terms of the GNU Lesser General Public License as published by
  12   * the Free Software Foundation; either version 2.1 of the License, or (at your
  13   * option) any later version. This library is distributed in the hope that it
  14   * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  15   * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
  16   * General Public License for more details. You should have received a copy of
  17   * the GNU Lesser General Public License along with this library; if not, write
  18   * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19   * 02111-1307 USA
  20   *
  21   * @category   Images
  22   * @package    Image_Graph
  23   * @subpackage DataPreprocessor
  24   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  25   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  26   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  27   * @version    CVS: $Id: Date.php,v 1.6 2005/08/24 20:35:59 nosey Exp $
  28   * @link       http://pear.php.net/package/Image_Graph
  29   */
  30  
  31  /**
  32   * Include file Image/Graph/DataPreprocessor.php
  33   */
  34  require_once  'Image/Graph/DataPreprocessor.php';
  35  
  36  /**
  37   * Formats Unix timestamp as a date using specified format.
  38   *
  39   * @category   Images
  40   * @package    Image_Graph
  41   * @subpackage DataPreprocessor
  42   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  43   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  44   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  45   * @version    Release: 0.7.2
  46   * @link       http://pear.php.net/package/Image_Graph
  47   */
  48  class Image_Graph_DataPreprocessor_Date extends Image_Graph_DataPreprocessor
  49  {
  50  
  51      /**
  52       * The format of the Unix time stamp.
  53       * See <a href = 'http://www.php.net/manual/en/function.date.php'>PHP
  54       * Manual</a> for a description
  55       * @var string
  56       * @access private
  57       */
  58      var $_format;
  59  
  60      /**
  61       * Create a DateData preprocessor [Constructor]
  62       *
  63       * @param string $format See  {@link http://www.php.net/manual/en/function.date.php
  64       *   PHP Manual} for a description
  65       */
  66      function Image_Graph_DataPreprocessor_Date($format)
  67      {
  68          parent::Image_Graph_DataPreprocessor();
  69          $this->_format = $format;
  70      }
  71  
  72      /**
  73       * Process the value
  74       *
  75       * @param var $value The value to process/format
  76       * @return string The processed value
  77       * @access private
  78       */
  79      function _process($value)
  80      {
  81          if (!$value) {
  82              return false;
  83          } else {
  84              return date($this->_format, $value);
  85          }
  86      }
  87  
  88  }
  89  
  90  ?>