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<?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @version 1.3.1
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Manages all category-related data
*
* Used by {@see SimplePie_Item::get_category()} and {@see SimplePie_Item::get_categories()}
*
* This class can be overloaded with {@see SimplePie::set_category_class()}
*
* @package SimplePie
* @subpackage API
*/
class SimplePie_Category
{
/**
* Category identifier
*
* @var string
* @see get_term
*/
var $term;
/**
* Categorization scheme identifier
*
* @var string
* @see get_scheme()
*/
var $scheme;
/**
* Human readable label
*
* @var string
* @see get_label()
*/
var $label;
/**
* Constructor, used to input the data
*
* @param string $term
* @param string $scheme
* @param string $label
*/
public function __construct($term = null, $scheme = null, $label = null)
{
$this->term = $term;
$this->scheme = $scheme;
$this->label = $label;
}
/**
* String-ified version
*
* @return string
*/
public function __toString()
{
// There is no $this->data here
return md5(serialize($this));
}
/**
* Get the category identifier
*
* @return string|null
*/
public function get_term()
{
if ($this->term !== null)
{
return $this->term;
}
else
{
return null;
}
}
/**
* Get the categorization scheme identifier
*
* @return string|null
*/
public function get_scheme()
{
if ($this->scheme !== null)
{
return $this->scheme;
}
else
{
return null;
}
}
/**
* Get the human readable label
*
* @return string|null
*/
public function get_label()
{
if ($this->label !== null)
{
return $this->label;
}
else
{
return $this->get_term();
}
}
}
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