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/wp-includes/SimplePie/ -> Category.php (source)

   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) 2004-2012, Ryan Parman, Geoffrey 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   * @version 1.3.1
  37   * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  38   * @author Ryan Parman
  39   * @author Geoffrey Sneddon
  40   * @author Ryan McCue
  41   * @link http://simplepie.org/ SimplePie
  42   * @license http://www.opensource.org/licenses/bsd-license.php BSD License
  43   */
  44  
  45  /**
  46   * Manages all category-related data
  47   *
  48   * Used by {@see SimplePie_Item::get_category()} and {@see SimplePie_Item::get_categories()}
  49   *
  50   * This class can be overloaded with {@see SimplePie::set_category_class()}
  51   *
  52   * @package SimplePie
  53   * @subpackage API
  54   */
  55  class SimplePie_Category
  56  {
  57      /**
  58       * Category identifier
  59       *
  60       * @var string
  61       * @see get_term
  62       */
  63      var $term;
  64  
  65      /**
  66       * Categorization scheme identifier
  67       *
  68       * @var string
  69       * @see get_scheme()
  70       */
  71      var $scheme;
  72  
  73      /**
  74       * Human readable label
  75       *
  76       * @var string
  77       * @see get_label()
  78       */
  79      var $label;
  80  
  81      /**
  82       * Constructor, used to input the data
  83       *
  84       * @param string $term
  85       * @param string $scheme
  86       * @param string $label
  87       */
  88  	public function __construct($term = null, $scheme = null, $label = null)
  89      {
  90          $this->term = $term;
  91          $this->scheme = $scheme;
  92          $this->label = $label;
  93      }
  94  
  95      /**
  96       * String-ified version
  97       *
  98       * @return string
  99       */
 100  	public function __toString()
 101      {
 102          // There is no $this->data here
 103          return md5(serialize($this));
 104      }
 105  
 106      /**
 107       * Get the category identifier
 108       *
 109       * @return string|null
 110       */
 111  	public function get_term()
 112      {
 113          if ($this->term !== null)
 114          {
 115              return $this->term;
 116          }
 117          else
 118          {
 119              return null;
 120          }
 121      }
 122  
 123      /**
 124       * Get the categorization scheme identifier
 125       *
 126       * @return string|null
 127       */
 128  	public function get_scheme()
 129      {
 130          if ($this->scheme !== null)
 131          {
 132              return $this->scheme;
 133          }
 134          else
 135          {
 136              return null;
 137          }
 138      }
 139  
 140      /**
 141       * Get the human readable label
 142       *
 143       * @return string|null
 144       */
 145  	public function get_label()
 146      {
 147          if ($this->label !== null)
 148          {
 149              return $this->label;
 150          }
 151          else
 152          {
 153              return $this->get_term();
 154          }
 155      }
 156  }
 157  


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