docket-cache / includes / object-cache.php

object-cache.php in Docket Cache – Object Cache Accelerator 22.07.04, at includes/object-cache.php

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1	<?php
2	/**
3	* @wordpress-plugin
4	* Plugin Name: Docket Cache Drop-in
5	* Plugin URI: https://wordpress.org/plugins/docket-cache/
6	* Version: 22.07.04
7	* Description: A persistent object cache stored as a plain PHP code, accelerates caching with OPcache backend.
8	* Author: Nawawi Jamili
9	* Author URI: https://docketcache.com
10	* Requires at least: 5.4
11	* Requires PHP: 7.2.5
12	* License: MIT
13	* License URI: https://github.com/nawawi/docket-cache/blob/master/LICENSE.txt
14	*/
15	if (!\defined('ABSPATH')) {
16	return;
17	}
18
19	/*
20	* Bypass if caching is disabled.
21	*/
22	if (\defined('DOCKET_CACHE_DISABLED') && DOCKET_CACHE_DISABLED) {
23	return;
24	}
25
26	/*
27	* Check for minimum php version.
28	*/
29	if (version_compare(\PHP_VERSION, '7.2.5', '<')) {
30	return;
31	}
32
33	/*
34	* Bypass if we doing action. It happen on redirection.
35	*/
36	if (!empty($_GET['_wpnonce']) && !empty($_GET['action']) && !empty($_GET['page']) && 'docket-cache' === $_GET['page'] && false === strpos($_GET['action'], 'cronbot') && false === strpos($_GET['action'], 'wpoptaload')) {
37	return;
38	}
39
40	/*
41	* Bypass if match cache key in $_REQUEST.
42	* Just for development, it may cause uncertain results.
43	*/
44	if (\defined('DOCKET_CACHE_IGNORE_REQUEST') && \is_array(DOCKET_CACHE_IGNORE_REQUEST) && !empty($_REQUEST)) {
45	if (array_intersect(DOCKET_CACHE_IGNORE_REQUEST, array_keys($_REQUEST))) {
46	return;
47	}
48	}
49
50	/*
51	* Determine if WP_CONTENT_DIR is exists.
52	*/
53	if (!\defined('WP_CONTENT_DIR')) {
54	\define('WP_CONTENT_DIR', ABSPATH.'wp-content');
55	}
56
57	/*
58	* Determine if WP_PLUGIN_DIR is exists.
59	*/
60	if (!\defined('WP_PLUGIN_DIR')) {
61	\define('WP_PLUGIN_DIR', WP_CONTENT_DIR.'/plugins');
62	}
63
64	/*
65	* Determine if DOCKET_CACHE_CONTENT_PATH is exists.
66	*/
67	if (!\defined('DOCKET_CACHE_CONTENT_PATH')) {
68	\define('DOCKET_CACHE_CONTENT_PATH', WP_CONTENT_DIR);
69	}
70
71	/*
72	* Determine if docket object cache class and functions exists.
73	*/
74	if (!@is_file(WP_PLUGIN_DIR.'/docket-cache/includes/cache.php')) {
75	return;
76	}
77
78	/*
79	* Determine if docket cache autoload exists.
80	*/
81	if (!@is_file(WP_PLUGIN_DIR.'/docket-cache/includes/load.php')) {
82	return;
83	}
84
85	/*
86	* Determine if we can load docket cache library.
87	*/
88	@include_once WP_PLUGIN_DIR.'/docket-cache/includes/load.php';
89	if (!class_exists('Nawawi\\DocketCache\\Plugin') \|\| !class_exists('Nawawi\\DocketCache\\Constans') \|\| !class_exists('Nawawi\\DocketCache\\Filesystem') \|\| !\function_exists('nwdcx_constfx')) {
90	return;
91	}
92
93	/*
94	* Check if doing flush.
95	*/
96	if (@is_file(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-flush.txt')) {
97	if (time() > @filemtime(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-flush.txt')) {
98	@unlink(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-flush.txt');
99	}
100
101	return;
102	}
103
104	/*
105	* Determine if we're on multinetwork and has object cache locking.
106	*/
107	if (\function_exists('nwdcx_network_ignore') && nwdcx_network_ignore()) {
108	return;
109	}
110
111	/*
112	* Check for object-cache-delay.txt file.
113	*/
114	if (@is_file(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt')) {
115	if (!\function_exists('add_action')) {
116	return;
117	}
118
119	if (time() > @filemtime(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt')) {
120	if (!\function_exists('nwdcx_halttransient')) {
121	// prevent from transient save to db before replace with our dropin
122	function nwdcx_halttransient($value, $option, $old_value = '')
123	{
124	if (false !== strpos($option, '_transient_')) {
125	return false;
126	}
127
128	return $value;
129	}
130
131	add_filter('pre_update_option', 'nwdcx_halttransient', \PHP_INT_MIN, 3);
132	add_filter('pre_get_option', 'nwdcx_halttransient', \PHP_INT_MIN, 3);
133	add_filter(
134	'added_option',
135	function ($option, $value) {
136	return nwdcx_halttransient($value, $option);
137	},
138	\PHP_INT_MIN,
139	2
140	);
141	}
142
143	if (class_exists('Nawawi\\DocketCache\\Becache')) {
144	// early cache transient/alloptions
145	add_action(
146	'shutdown',
147	function () {
148	try {
149	Nawawi\DocketCache\Becache::export();
150	} catch (\Throwable $e) {
151	}
152	},
153	\PHP_INT_MIN
154	);
155
156	// early cleanup transient
157	add_action(
158	'shutdown',
159	function () {
160	try {
161	Nawawi\DocketCache\Becache::cleanup_transient();
162	} catch (\Throwable $e) {
163	}
164	},
165	\PHP_INT_MAX - 1
166	);
167	}
168
169	add_action(
170	'shutdown',
171	function () {
172	clearstatcache();
173	if (@is_file(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt')) {
174	@rename(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt', DOCKET_CACHE_CONTENT_PATH.'/.object-cache-after-delay.txt');
175	}
176	},
177	\PHP_INT_MAX
178	);
179	}
180
181	return;
182	}
183
184	/*
185	* Define WP Object Cache functions and classes.
186	*/
187	@include_once WP_PLUGIN_DIR.'/docket-cache/includes/cache.php';
188