wt-security / lib / Cache.php

Cache.php in WebTotem Security 2.4.26, at lib/Cache.php

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1	<?php
2
3	if (!defined('WEBTOTEM_INIT') \|\| WEBTOTEM_INIT !== true) {
4	if (!headers_sent()) {
5	header('HTTP/1.1 403 Forbidden');
6	}
7	die("Protected By WebTotem!");
8	}
9	/**
10	* WebTotem Cache class for Wordpress.
11	*/
12	class WebTotemCache {
13
14	const WTOTEM_CACHE_STORAGE_TIME = 3; // cache storage time in minutes
15	/**
16	* Save multiple some data to cache.
17	*
18	* @param array $data
19	* Array of data.
20	* @param string $host_id
21	* The data belongs to this host.
22	* @param string $storage_time
23	* Cache storage time in minutes.
24	*
25	* @return bool
26	* Returns TRUE after saving the data.
27	*/
28	public static function setData(array $data, $host_id, $storage_time = self::WTOTEM_CACHE_STORAGE_TIME) {
29
30	$cache = json_decode(WebTotemOption::getOption('cache'), true) ?: [];
31
32	foreach ($data as $key => $value){
33	$expired = time() + ( $storage_time * 60 );
34	$cache[$host_id][$key] = ['data' => $value, 'expired' => $expired];
35	}
36
37	WebTotemOption::setOptions(['cache' => $cache]);
38
39	return TRUE;
40	}
41
42	/**
43	* Get data from cache.
44	*
45	* @param string $key
46	* Data key.
47	* @param string $host_id
48	* The data belongs to this host.
49	*
50	* @return array
51	* Returns saved data by key.
52	*/
53	public static function getdata($key, $host_id) {
54
55	$cache = json_decode(WebTotemOption::getOption('cache'), true) ?: [];
56	if(array_key_exists($host_id, $cache) and
57	array_key_exists($key, $cache[$host_id]) and
58	$cache[$host_id][$key]['expired'] > time()) {
59	return [
60	'data' => $cache[$host_id][$key]['data'],
61	'remained' => $cache[$host_id][$key]['expired'] - time(),
62	];
63	} else {
64	return [];
65	}
66
67	}
68
69	/**
70	* Delete data from cache.
71	*
72	* @param string $key
73	* Data key.
74	* @param string $host_id
75	* The data belongs to this host.
76	*
77	* @return bool
78	*/
79	public static function deleteData($key, $host_id) {
80
81	$cache = json_decode(WebTotemOption::getOption('cache'), true) ?: [];
82
83	unset($cache[$host_id][$key]);
84	WebTotemOption::setOptions(['cache' => $cache]);
85
86	return TRUE;
87
88	}
89
90	}
91