wt-security / lib / Cache.php

Cache.php in WebTotem Security 2.4.32, 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 => $value){
33	if(!empty($value) and !array_key_exists('errors', $value)){
34	$expired = time() + ( $storage_time * 60 );
35	$cache[$host_id][$key] = ['data' => $value, 'expired' => $expired];
36	}
37	}
38
39	WebTotemOption::setOptions(['cache' => $cache]);
40
41	return TRUE;
42	}
43
44	/**
45	* Get data from cache.
46	*
47	* @param string $key
48	* Data key.
49	* @param string $host_id
50	* The data belongs to this host.
51	*
52	* @return array
53	* Returns saved data by key.
54	*/
55	public static function getdata($key, $host_id) {
56
57	$cache = json_decode(WebTotemOption::getOption('cache'), true) ?: [];
58	if(array_key_exists($host_id, $cache) and
59	array_key_exists($key, $cache[$host_id]) and
60	$cache[$host_id][$key]['expired'] > time()) {
61	return [
62	'data' => $cache[$host_id][$key]['data'],
63	'remained' => $cache[$host_id][$key]['expired'] - time(),
64	];
65	} else {
66	return [];
67	}
68
69	}
70
71	/**
72	* Delete data from cache.
73	*
74	* @param string $key
75	* Data key.
76	* @param string $host_id
77	* The data belongs to this host.
78	*
79	* @return bool
80	*/
81	public static function deleteData($key, $host_id) {
82
83	$cache = json_decode(WebTotemOption::getOption('cache'), true) ?: [];
84
85	unset($cache[$host_id][$key]);
86	WebTotemOption::setOptions(['cache' => $cache]);
87
88	return TRUE;
89
90	}
91
92	}
93