[Summary view]

   1  <?php
   2  /**
   3   * Copyright 2014-2017 Horde LLC (http://www.horde.org/)
   4   *
   5   * See the enclosed file LICENSE for license information (LGPL). If you
   6   * did not receive this file, see http://www.horde.org/licenses/lgpl21.
   7   *
   8   * @category  Horde
   9   * @copyright 2014-2017 Horde LLC
  10   * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
  11   * @package   Mime
  12   */
  13  
  14  /**
  15   * This class represents the Date header value (RFC 5322).
  16   *
  17   * @author    Michael Slusarz <slusarz@horde.org>
  18   * @category  Horde
  19   * @copyright 2014-2017 Horde LLC
  20   * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
  21   * @package   Mime
  22   * @since     2.5.0
  23   */
  24  class Horde_Mime_Headers_Date
  25  extends Horde_Mime_Headers_Element_Single
  26  {
  27      /**
  28       * Generate a 'Date' header for the current time.
  29       *
  30       * @return Horde_Mime_Headers_Date  Date header object.
  31       */
  32      public static function create()
  33      {
  34          return new self(null, date('r'));
  35      }
  36  
  37      /**
  38       */
  39      public function __construct($name, $value)
  40      {
  41          parent::__construct('Date', $value);
  42      }
  43  
  44      /**
  45       */
  46      public static function getHandles()
  47      {
  48          return array(
  49              // Mail: RFC 5322
  50              'date'
  51          );
  52      }
  53  
  54      /**
  55       * Perform sanity checking on a header value.
  56       *
  57       * @param string $data  The header data.
  58       *
  59       * @return string  The cleaned header data.
  60       */
  61      protected function _sanityCheck($data)
  62      {
  63          $date = parent::_sanityCheck($data);
  64          if (substr(rtrim($date), -5) === ' 0000') {
  65              $date = substr(trim($date), 0, strlen(trim($date)) - 5) . ' +0000';
  66          }
  67  
  68          /* Check for malformed day-of-week parts */
  69          if (!preg_match("/^(Mon|Tue|Wed|Thu|Fri|Sat|Sun),/", $date)) {
  70              $date = trim(preg_replace("/^(\S*,)/", '', $date));
  71          }
  72  
  73          return $date;
  74      }
  75  }