Proyectos de Subversion Moodle

Rev

| Ultima modificación | Ver Log |

Rev Autor Línea Nro. Línea
1 efrain 1 
<?php
2 
 
3 
declare(strict_types=1);
4 
/**
5 
 * SimplePie
6 
 *
7 
 * A PHP-Based RSS and Atom Feed Framework.
8 
 * Takes the hard work out of managing a complete RSS/Atom solution.
9 
 *
10 
 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
11 
 * All rights reserved.
12 
 *
13 
 * Redistribution and use in source and binary forms, with or without modification, are
14 
 * permitted provided that the following conditions are met:
15 
 *
16 
 * 	* Redistributions of source code must retain the above copyright notice, this list of
17 
 * 	  conditions and the following disclaimer.
18 
 *
19 
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
20 
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
21 
 * 	  provided with the distribution.
22 
 *
23 
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
24 
 * 	  to endorse or promote products derived from this software without specific prior
25 
 * 	  written permission.
26 
 *
27 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
28 
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
29 
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
30 
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
34 
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 
 * POSSIBILITY OF SUCH DAMAGE.
36 
 *
37 
 * @package SimplePie
38 
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
39 
 * @author Ryan Parman
40 
 * @author Sam Sneddon
41 
 * @author Ryan McCue
42 
 * @link http://simplepie.org/ SimplePie
43 
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
44 
 */
45 
 
46 
namespace SimplePie\Cache;
47 
 
48 
/**
49 
 * Caches data to the filesystem
50 
 *
51 
 * @package SimplePie
52 
 * @subpackage Caching
53 
 * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead
54 
 */
55 
class File implements Base
56 
{
57 
    /**
58 
     * Location string
59 
     *
60 
     * @see SimplePie::$cache_location
61 
     * @var string
62 
     */
63 
    protected $location;
64 
 
65 
    /**
66 
     * Filename
67 
     *
68 
     * @var string
69 
     */
70 
    protected $filename;
71 
 
72 
    /**
73 
     * File extension
74 
     *
75 
     * @var string
76 
     */
77 
    protected $extension;
78 
 
79 
    /**
80 
     * File path
81 
     *
82 
     * @var string
83 
     */
84 
    protected $name;
85 
 
86 
    /**
87 
     * Create a new cache object
88 
     *
89 
     * @param string $location Location string (from SimplePie::$cache_location)
90 
     * @param string $name Unique ID for the cache
91 
     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
92 
     */
93 
    public function __construct($location, $name, $type)
94 
    {
95 
        $this->location = $location;
96 
        $this->filename = $name;
97 
        $this->extension = $type;
98 
        $this->name = "$this->location/$this->filename.$this->extension";
99 
    }
100 
 
101 
    /**
102 
     * Save data to the cache
103 
     *
104 
     * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
105 
     * @return bool Successfulness
106 
     */
107 
    public function save($data)
108 
    {
109 
        if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) {
110 
            if ($data instanceof \SimplePie\SimplePie) {
111 
                $data = $data->data;
112 
            }
113 
 
114 
            $data = serialize($data);
115 
            return (bool) file_put_contents($this->name, $data);
116 
        }
117 
        return false;
118 
    }
119 
 
120 
    /**
121 
     * Retrieve the data saved to the cache
122 
     *
123 
     * @return array Data for SimplePie::$data
124 
     */
125 
    public function load()
126 
    {
127 
        if (file_exists($this->name) && is_readable($this->name)) {
128 
            return unserialize(file_get_contents($this->name));
129 
        }
130 
        return false;
131 
    }
132 
 
133 
    /**
134 
     * Retrieve the last modified time for the cache
135 
     *
136 
     * @return int Timestamp
137 
     */
138 
    public function mtime()
139 
    {
140 
        return @filemtime($this->name);
141 
    }
142 
 
143 
    /**
144 
     * Set the last modified time to the current time
145 
     *
146 
     * @return bool Success status
147 
     */
148 
    public function touch()
149 
    {
150 
        return @touch($this->name);
151 
    }
152 
 
153 
    /**
154 
     * Remove the cache
155 
     *
156 
     * @return bool Success status
157 
     */
158 
    public function unlink()
159 
    {
160 
        if (file_exists($this->name)) {
161 
            return unlink($this->name);
162 
        }
163 
        return false;
164 
    }
165 
}
166 
 
167 
class_alias('SimplePie\Cache\File', 'SimplePie_Cache_File');