MDL-75467 libraries: upgrade to version 1.6.0 of SimplePie.
[moodle.git] / lib / simplepie / library / SimplePie / Rating.php
blobeae6718a753becce419b46052370a3c0ee70c78e
1 <?php
2 /**
3 * SimplePie
5 * A PHP-Based RSS and Atom Feed Framework.
6 * Takes the hard work out of managing a complete RSS/Atom solution.
8 * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
9 * All rights reserved.
11 * Redistribution and use in source and binary forms, with or without modification, are
12 * permitted provided that the following conditions are met:
14 * * Redistributions of source code must retain the above copyright notice, this list of
15 * conditions and the following disclaimer.
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.
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.
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.
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
44 /**
45 * Handles `<media:rating>` or `<itunes:explicit>` tags as defined in Media RSS and iTunes RSS respectively
47 * Used by {@see SimplePie_Enclosure::get_rating()} and {@see SimplePie_Enclosure::get_ratings()}
49 * This class can be overloaded with {@see SimplePie::set_rating_class()}
51 * @package SimplePie
52 * @subpackage API
54 class SimplePie_Rating
56 /**
57 * Rating scheme
59 * @var string
60 * @see get_scheme()
62 var $scheme;
64 /**
65 * Rating value
67 * @var string
68 * @see get_value()
70 var $value;
72 /**
73 * Constructor, used to input the data
75 * For documentation on all the parameters, see the corresponding
76 * properties and their accessors
78 public function __construct($scheme = null, $value = null)
80 $this->scheme = $scheme;
81 $this->value = $value;
84 /**
85 * String-ified version
87 * @return string
89 public function __toString()
91 // There is no $this->data here
92 return md5(serialize($this));
95 /**
96 * Get the organizational scheme for the rating
98 * @return string|null
100 public function get_scheme()
102 if ($this->scheme !== null)
104 return $this->scheme;
107 return null;
111 * Get the value of the rating
113 * @return string|null
115 public function get_value()
117 if ($this->value !== null)
119 return $this->value;
122 return null;
126 class_alias('SimplePie_Rating', 'SimplePie\Rating', false);