backup / src / JetBackup / Cache / CacheHandler.php

CacheHandler.php in JetBackup – Backup, Restore & Migrate 3.1.21.3, at src/JetBackup/Cache/CacheHandler.php

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1	<?php
2
3	namespace JetBackup\Cache;
4
5	if (!defined( '__JETBACKUP__')) die('Direct access is not allowed');
6
7	/**
8	* Always bypass Redis object cache and OPcache in the admin area for JetBackup specific plugin operations.
9	*/
10	class CacheHandler {
11
12	private static bool $object_cache_enabled = false;
13
14	/**
15	* Check if object cache is enabled
16	*
17	* @return bool
18	*/
19	public static function is_object_cache_enabled(): bool {
20	global $wp_object_cache;
21	return isset($wp_object_cache) && is_object($wp_object_cache);
22	}
23
24	/**
25	* Check if OPCache is enabled
26	*
27	* @return bool
28	*/
29	public static function is_opcache_enabled(): bool {
30	return function_exists('opcache_get_status');
31	}
32
33	/**
34	* Disable object cache
35	*/
36	public static function disable_object_cache() {
37	if (!self::is_object_cache_enabled()) return false;
38
39	add_filter('pre_wp_cache_get', '__return_false');
40	add_filter('pre_transient_*', '__return_false', 10, 2);
41	add_filter('pre_site_transient_*', '__return_false', 10, 2);
42	self::$object_cache_enabled = true;
43	}
44
45	/**
46	* Enable object cache
47	*/
48	public static function enable_object_cache() {
49	if (!self::$object_cache_enabled) return;
50
51	remove_filter('pre_wp_cache_get', '__return_false');
52	remove_filter('pre_transient_*', '__return_false', 10, 2);
53	remove_filter('pre_site_transient_*', '__return_false', 10, 2);
54	self::$object_cache_enabled = false;
55	}
56
57	/**
58	* Disable OPCache
59	*/
60	public static function disable_opcache() {
61	if (!self::is_opcache_enabled() \|\| !function_exists('ini_set')) return;
62	ini_set('opcache.enable', 0);
63	}
64
65
66	/**
67	* Pre-cache operations: disable caches if they are enabled
68	*/
69	public static function pre() {
70	if (self::is_object_cache_enabled()) self::disable_object_cache();
71	if (self::is_opcache_enabled()) self::disable_opcache();
72	}
73
74	/**
75	* Post-cache operations: re-enable caches if they were disabled
76	*/
77	public static function post() {
78	self::enable_object_cache();
79	}
80
81	}