docket-cache / includes / object-cache.php

object-cache.php in Docket Cache – Object Cache Accelerator 22.07.01, 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: 22.07.01
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.
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 $_REQUEST.
42	*/
43	if (\defined('DOCKET_CACHE_IGNORE_REQUEST') && \is_array(DOCKET_CACHE_IGNORE_REQUEST) && !empty($_REQUEST)) {
44	if (array_intersect(DOCKET_CACHE_IGNORE_REQUEST, array_keys($_REQUEST))) {
45	return;
46	}
47	}
48
49	/*
50	* Determine if WP_CONTENT_DIR is exists.
51	*/
52	if (!\defined('WP_CONTENT_DIR')) {
53	\define('WP_CONTENT_DIR', ABSPATH.'wp-content');
54	}
55
56	/*
57	* Determine if WP_PLUGIN_DIR is exists.
58	*/
59	if (!\defined('WP_PLUGIN_DIR')) {
60	\define('WP_PLUGIN_DIR', WP_CONTENT_DIR.'/plugins');
61	}
62
63	/*
64	* Determine if DOCKET_CACHE_CONTENT_PATH is exists.
65	*/
66	if (!\defined('DOCKET_CACHE_CONTENT_PATH')) {
67	\define('DOCKET_CACHE_CONTENT_PATH', WP_CONTENT_DIR);
68	}
69
70	/*
71	* Determine if docket object cache class and functions exists.
72	*/
73	if (!@is_file(WP_PLUGIN_DIR.'/docket-cache/includes/cache.php')) {
74	return;
75	}
76
77	/*
78	* Determine if docket cache autoload exists.
79	*/
80	if (!@is_file(WP_PLUGIN_DIR.'/docket-cache/includes/load.php')) {
81	return;
82	}
83
84	/*
85	* Determine if we can load docket cache library.
86	*/
87	@include_once WP_PLUGIN_DIR.'/docket-cache/includes/load.php';
88	if (!class_exists('Nawawi\\DocketCache\\Plugin') \|\| !class_exists('Nawawi\\DocketCache\\Constans') \|\| !class_exists('Nawawi\\DocketCache\\Filesystem') \|\| !\function_exists('nwdcx_constfx')) {
89	return;
90	}
91
92	/*
93	* Check if doing flush.
94	*/
95	if (@is_file(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-flush.txt')) {
96	if (time() > @filemtime(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-flush.txt')) {
97	@unlink(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-flush.txt');
98	}
99
100	return;
101	}
102
103	/*
104	* Determine if we're on multinetwork and has object cache locking.
105	*/
106	if (\function_exists('nwdcx_network_ignore') && nwdcx_network_ignore()) {
107	return;
108	}
109
110	/*
111	* Check for object-cache-delay.txt file.
112	*/
113	if (@is_file(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt')) {
114	if (!\function_exists('add_action')) {
115	return;
116	}
117
118	if (time() > @filemtime(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt')) {
119	if (!\function_exists('nwdcx_halttransient')) {
120	// prevent from transient save to db before replace with our dropin
121	function nwdcx_halttransient($value, $option, $old_value = '')
122	{
123	if (false !== strpos($option, '_transient_')) {
124	return false;
125	}
126
127	return $value;
128	}
129
130	add_filter('pre_update_option', 'nwdcx_halttransient', \PHP_INT_MIN, 3);
131	add_filter('pre_get_option', 'nwdcx_halttransient', \PHP_INT_MIN, 3);
132	add_filter(
133	'added_option',
134	function ($option, $value) {
135	return nwdcx_halttransient($value, $option);
136	},
137	\PHP_INT_MIN,
138	2
139	);
140	}
141
142	// early cache transient/alloptions
143	if (class_exists('Nawawi\\DocketCache\\Becache')) {
144	add_action(
145	'shutdown',
146	function () {
147	try {
148	Nawawi\DocketCache\Becache::export();
149	} catch (\Throwable $e) {
150	}
151	},
152	\PHP_INT_MIN
153	);
154	}
155
156	// early cleanup transient
157	if (\function_exists('nwdcx_cleanuptransient')) {
158	add_action(
159	'shutdown',
160	'nwdcx_cleanuptransient',
161	\PHP_INT_MAX - 1
162	);
163	}
164
165	add_action(
166	'shutdown',
167	function () {
168	clearstatcache();
169	if (@is_file(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt')) {
170	@rename(DOCKET_CACHE_CONTENT_PATH.'/.object-cache-delay.txt', DOCKET_CACHE_CONTENT_PATH.'/.object-cache-after-delay.txt');
171	}
172	},
173	\PHP_INT_MAX
174	);
175	}
176
177	return;
178	}
179
180	/*
181	* Define WP Object Cache functions and classes.
182	*/
183	@include_once WP_PLUGIN_DIR.'/docket-cache/includes/cache.php';
184