summaryrefslogtreecommitdiff
path: root/www/crm/wp-includes/class-wp-feed-cache-transient.php
blob: f304ef8a6edbcb53c5f3dbd30db9d02265650c0b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
<?php
/**
 * Feed API: WP_Feed_Cache_Transient class
 *
 * @package WordPress
 * @subpackage Feed
 * @since 4.7.0
 */

/**
 * Core class used to implement feed cache transients.
 *
 * @since 2.8.0
 */
class WP_Feed_Cache_Transient {

	/**
	 * Holds the transient name.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $name;

	/**
	 * Holds the transient mod name.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $mod_name;

	/**
	 * Holds the cache duration in seconds.
	 *
	 * Defaults to 43200 seconds (12 hours).
	 *
	 * @since 2.8.0
	 * @var int
	 */
	public $lifetime = 43200;

	/**
	 * Constructor.
	 *
	 * @since 2.8.0
	 * @since 3.2.0 Updated to use a PHP5 constructor.
	 *
	 * @param string $location  URL location (scheme is used to determine handler).
	 * @param string $filename  Unique identifier for cache object.
	 * @param string $extension 'spi' or 'spc'.
	 */
	public function __construct( $location, $filename, $extension ) {
		$this->name     = 'feed_' . $filename;
		$this->mod_name = 'feed_mod_' . $filename;

		$lifetime = $this->lifetime;
		/**
		 * Filters the transient lifetime of the feed cache.
		 *
		 * @since 2.8.0
		 *
		 * @param int    $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours).
		 * @param string $filename Unique identifier for the cache object.
		 */
		$this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename );
	}

	/**
	 * Sets the transient.
	 *
	 * @since 2.8.0
	 *
	 * @param SimplePie $data Data to save.
	 * @return true Always true.
	 */
	public function save( $data ) {
		if ( $data instanceof SimplePie ) {
			$data = $data->data;
		}

		set_transient( $this->name, $data, $this->lifetime );
		set_transient( $this->mod_name, time(), $this->lifetime );
		return true;
	}

	/**
	 * Gets the transient.
	 *
	 * @since 2.8.0
	 *
	 * @return mixed Transient value.
	 */
	public function load() {
		return get_transient( $this->name );
	}

	/**
	 * Gets mod transient.
	 *
	 * @since 2.8.0
	 *
	 * @return mixed Transient value.
	 */
	public function mtime() {
		return get_transient( $this->mod_name );
	}

	/**
	 * Sets mod transient.
	 *
	 * @since 2.8.0
	 *
	 * @return bool False if value was not set and true if value was set.
	 */
	public function touch() {
		return set_transient( $this->mod_name, time(), $this->lifetime );
	}

	/**
	 * Deletes transients.
	 *
	 * @since 2.8.0
	 *
	 * @return true Always true.
	 */
	public function unlink() {
		delete_transient( $this->name );
		delete_transient( $this->mod_name );
		return true;
	}
}