Cache.php — Advanced Access Manager – Access Governance for WordPress 5.8.2

advanced-access-manager / Application / Core / Object / Cache.php

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Cache.php

147 lines

1	<?php
2
3	/**
4	* ======================================================================
5	* LICENSE: This file is subject to the terms and conditions defined in *
6	* file 'license.txt', which is part of this source code package. *
7	* ======================================================================
8	*/
9
10	/**
11	* AAM cache object
12	*
13	* @package AAM
14	* @author Vasyl Martyniuk <vasyl@vasyltech.com>
15	*/
16	class AAM_Core_Object_Cache extends AAM_Core_Object {
17
18	/**
19	* Cache updated flag
20	*
21	* @var boolean
22	*
23	* @access protected
24	*/
25	protected $updated = false;
26
27	/**
28	* Is cache enabled?
29	*
30	* @var boolean
31	*
32	* @access protected
33	*/
34	protected $enabled = true;
35
36	/**
37	* Constructor
38	*
39	* @param AAM_Core_Subject $subject
40	*
41	* @return void
42	*
43	* @access public
44	*/
45	public function __construct(AAM_Core_Subject $subject) {
46	parent::__construct($subject);
47
48	// Determine if cache is enabled
49	$action = AAM_Core_Request::request('action');
50	$triggers = array('edit', 'editpost');
51	$status = AAM_Core_Config::get('core.cache.status', 'enabled');
52
53	if (AAM::isAAM() \|\| ($status !== 'enabled') \|\| in_array($action, $triggers, true)) {
54	$this->enabled = false;
55	}
56
57	if ($this->enabled) {
58	// Register shutdown hook
59	register_shutdown_function(array($this, 'save'));
60
61	$this->reload();
62	}
63	}
64
65	/**
66	*
67	*/
68	public function reload() {
69	// Just get the cache from current subject level. Do not trigger
70	// inheritance chain!
71	$this->setOption($this->getSubject()->readOption('cache'));
72	}
73
74	/**
75	*
76	* @param type $type
77	* @param type $id
78	* @param type $value
79	*/
80	public function add($type, $id, $value) {
81	$option = $this->getOption();
82	$option[$type][$id] = $value;
83	$this->setOption($option);
84
85	$this->updated = true;
86	}
87
88	/**
89	* Get cache
90	*
91	* @param string $type
92	* @param string\|int $id
93	* @param mixed $default
94	*
95	* @return mixed
96	*
97	* @access public
98	*/
99	public function get($type, $id = 0, $default = array()) {
100	$option = $this->getOption();
101
102	return (isset($option[$type][$id]) ? $option[$type][$id] : $default);
103	}
104
105	/**
106	* Save cache
107	*
108	* @return bool
109	*
110	* @access public
111	*/
112	public function save() {
113	if ($this->enabled && $this->updated) {
114	$this->getSubject()->updateOption($this->getOption(), 'cache');
115	}
116
117	return true;
118	}
119
120	/**
121	*
122	* @return type
123	*/
124	public function reset() {
125	return $this->getSubject()->deleteOption('cache');
126	}
127
128	/**
129	* Read object from parent subject
130	*
131	* @return mixed
132	*
133	* @access public
134	*/
135	public function inheritFromParent(){
136	$subject = $this->getParent();
137
138	if (is_a($subject, 'AAM_Core_Subject')){
139	$option = $subject->getObject('cache')->getOption();
140	} else {
141	$option = array();
142	}
143
144	return $option;
145	}
146
147	}