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   1  <?php
   2  /**
   3   * SimplePie
   4   *
   5   * A PHP-Based RSS and Atom Feed Framework.
   6   * Takes the hard work out of managing a complete RSS/Atom solution.
   7   *
   8   * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
   9   * All rights reserved.
  10   *
  11   * Redistribution and use in source and binary forms, with or without modification, are
  12   * permitted provided that the following conditions are met:
  13   *
  14   *     * Redistributions of source code must retain the above copyright notice, this list of
  15   *       conditions and the following disclaimer.
  16   *
  17   *     * Redistributions in binary form must reproduce the above copyright notice, this list
  18   *       of conditions and the following disclaimer in the documentation and/or other materials
  19   *       provided with the distribution.
  20   *
  21   *     * Neither the name of the SimplePie Team nor the names of its contributors may be used
  22   *       to endorse or promote products derived from this software without specific prior
  23   *       written permission.
  24   *
  25   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
  26   * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  27   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
  28   * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  29   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  32   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33   * POSSIBILITY OF SUCH DAMAGE.
  34   *
  35   * @package SimplePie
  36   * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
  37   * @author Ryan Parman
  38   * @author Sam Sneddon
  39   * @author Ryan McCue
  40   * @link http://simplepie.org/ SimplePie
  41   * @license http://www.opensource.org/licenses/bsd-license.php BSD License
  42   */
  43  
  44  /**
  45   * Handles `<media:restriction>` as defined in Media RSS
  46   *
  47   * Used by {@see SimplePie_Enclosure::get_restriction()} and {@see SimplePie_Enclosure::get_restrictions()}
  48   *
  49   * This class can be overloaded with {@see SimplePie::set_restriction_class()}
  50   *
  51   * @package SimplePie
  52   * @subpackage API
  53   */
  54  class SimplePie_Restriction
  55  {
  56      /**
  57       * Relationship ('allow'/'deny')
  58       *
  59       * @var string
  60       * @see get_relationship()
  61       */
  62      var $relationship;
  63  
  64      /**
  65       * Type of restriction
  66       *
  67       * @var string
  68       * @see get_type()
  69       */
  70      var $type;
  71  
  72      /**
  73       * Restricted values
  74       *
  75       * @var string
  76       * @see get_value()
  77       */
  78      var $value;
  79  
  80      /**
  81       * Constructor, used to input the data
  82       *
  83       * For documentation on all the parameters, see the corresponding
  84       * properties and their accessors
  85       */
  86  	public function __construct($relationship = null, $type = null, $value = null)
  87      {
  88          $this->relationship = $relationship;
  89          $this->type = $type;
  90          $this->value = $value;
  91      }
  92  
  93      /**
  94       * String-ified version
  95       *
  96       * @return string
  97       */
  98  	public function __toString()
  99      {
 100          // There is no $this->data here
 101          return md5(serialize($this));
 102      }
 103  
 104      /**
 105       * Get the relationship
 106       *
 107       * @return string|null Either 'allow' or 'deny'
 108       */
 109  	public function get_relationship()
 110      {
 111          if ($this->relationship !== null)
 112          {
 113              return $this->relationship;
 114          }
 115  
 116          return null;
 117      }
 118  
 119      /**
 120       * Get the type
 121       *
 122       * @return string|null
 123       */
 124  	public function get_type()
 125      {
 126          if ($this->type !== null)
 127          {
 128              return $this->type;
 129          }
 130  
 131          return null;
 132      }
 133  
 134      /**
 135       * Get the list of restricted things
 136       *
 137       * @return string|null
 138       */
 139  	public function get_value()
 140      {
 141          if ($this->value !== null)
 142          {
 143              return $this->value;
 144          }
 145  
 146          return null;
 147      }
 148  }