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Copyright.php (3303B)

      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  * Manages `<media:copyright>` copyright tags as defined in Media RSS
     46  *
     47  * Used by {@see SimplePie_Enclosure::get_copyright()}
     48  *
     49  * This class can be overloaded with {@see SimplePie::set_copyright_class()}
     50  *
     51  * @package SimplePie
     52  * @subpackage API
     53  */
     54 class SimplePie_Copyright
     55 {
     56 	/**
     57 	 * Copyright URL
     58 	 *
     59 	 * @var string
     60 	 * @see get_url()
     61 	 */
     62 	var $url;
     63 
     64 	/**
     65 	 * Attribution
     66 	 *
     67 	 * @var string
     68 	 * @see get_attribution()
     69 	 */
     70 	var $label;
     71 
     72 	/**
     73 	 * Constructor, used to input the data
     74 	 *
     75 	 * For documentation on all the parameters, see the corresponding
     76 	 * properties and their accessors
     77 	 */
     78 	public function __construct($url = null, $label = null)
     79 	{
     80 		$this->url = $url;
     81 		$this->label = $label;
     82 	}
     83 
     84 	/**
     85 	 * String-ified version
     86 	 *
     87 	 * @return string
     88 	 */
     89 	public function __toString()
     90 	{
     91 		// There is no $this->data here
     92 		return md5(serialize($this));
     93 	}
     94 
     95 	/**
     96 	 * Get the copyright URL
     97 	 *
     98 	 * @return string|null URL to copyright information
     99 	 */
    100 	public function get_url()
    101 	{
    102 		if ($this->url !== null)
    103 		{
    104 			return $this->url;
    105 		}
    106 
    107 		return null;
    108 	}
    109 
    110 	/**
    111 	 * Get the attribution text
    112 	 *
    113 	 * @return string|null
    114 	 */
    115 	public function get_attribution()
    116 	{
    117 		if ($this->label !== null)
    118 		{
    119 			return $this->label;
    120 		}
    121 
    122 		return null;
    123 	}
    124 }