powered-cache / powered-cache.php

powered-cache.php in Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score 1.2.1, at powered-cache.php

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1	<?php
2	/**
3	* Plugin Name: Powered Cache
4	* Plugin URI: https://poweredcache.com
5	* Description: Comprehensive caching and performance plugin for WordPress.
6	* Author: SKOP, Mustafa Uysal
7	* Author URI: http://skop.co/
8	* Version: 1.2.1
9	* Text Domain: powered-cache
10	* Domain Path: /languages/
11	* License: GPLv2 (or later)
12	*/
13
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit; // Exit if accessed directly.
16	}
17
18	define( 'POWERED_CACHE_REQUIRED_WP_VERSION', '4.1' );
19
20
21	if ( ! class_exists( 'Powered_Cache' ) ) :
22
23	final class Powered_Cache {
24
25	/**
26	* Stores the single instance of this plugin.
27	* @since 1.0
28	*/
29	private static $instance;
30
31
32	/**
33	* A dummy constructor
34	*
35	* @since 1.0
36	*/
37	protected function __construct() { }
38
39
40	/**
41	* Singleton instance of the current class
42	*
43	* @since 1.0
44	* @return Powered_Cache
45	*/
46	public static function instance() {
47	if ( ! isset( self::$instance ) ) {
48	self::$instance = new Powered_Cache;
49	self::$instance->setup_constants();
50	self::$instance->includes();
51	self::$instance->setup_globals();
52	self::$instance->setup();
53	}
54
55	return self::$instance;
56	}
57
58
59	/**
60	* Setup plugin constants.
61	*
62	* @since 1.0
63	* @return void
64	*/
65	private function setup_constants() {
66
67	if ( ! defined( 'POWERED_CACHE_PLUGIN_FILE' ) ) {
68	define( 'POWERED_CACHE_PLUGIN_FILE', __FILE__ );
69	}
70
71	if ( ! defined( 'POWERED_CACHE_PLUGIN_VERSION' ) ) {
72	define( 'POWERED_CACHE_PLUGIN_VERSION', '1.2.1' );
73	}
74
75	if ( ! defined( 'POWERED_CACHE_PLUGIN_DIR' ) ) {
76	define( 'POWERED_CACHE_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
77	}
78
79	if ( ! defined( 'POWERED_CACHE_PREMIUM_DIR' ) ) {
80	define( 'POWERED_CACHE_PREMIUM_DIR', POWERED_CACHE_PLUGIN_DIR . 'premium/' );
81	}
82
83	if ( ! defined( 'POWERED_CACHE_CACHE_DIR' ) ) {
84	define( 'POWERED_CACHE_CACHE_DIR', WP_CONTENT_DIR . '/cache/' );
85	}
86
87	if ( ! defined( 'POWERED_CACHE_INC_DIR' ) ) {
88	define( 'POWERED_CACHE_INC_DIR', POWERED_CACHE_PLUGIN_DIR . 'includes/' );
89	}
90
91	if ( ! defined( 'POWERED_CACHE_DROPIN_DIR' ) ) {
92	define( 'POWERED_CACHE_DROPIN_DIR', POWERED_CACHE_INC_DIR . 'dropins/' );
93	}
94
95	if ( ! defined( 'POWERED_CACHE_ADMIN_DIR' ) ) {
96	define( 'POWERED_CACHE_ADMIN_DIR', POWERED_CACHE_INC_DIR . 'admin/' );
97	}
98
99	if ( ! defined( 'POWERED_CACHE_PLUGIN_URL' ) ) {
100	define( 'POWERED_CACHE_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
101	}
102	}
103
104
105	/**
106	* Include required files
107	*
108	* @since 1.0
109	*/
110	private function includes() {
111	require_once POWERED_CACHE_INC_DIR . 'functions.php';
112	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-config.php';
113	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-cdn.php';
114	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-extensions.php';
115	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-cron.php';
116	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-hooks.php';
117	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-advanced-cache.php';
118	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-object-cache.php';
119
120	if ( file_exists( POWERED_CACHE_PREMIUM_DIR . 'loader.php' ) ) {
121	require_once POWERED_CACHE_PREMIUM_DIR . 'loader.php';
122	}
123
124	if ( is_admin() \|\| ( defined( 'WP_CLI' ) && WP_CLI ) ) {
125	require_once POWERED_CACHE_ADMIN_DIR . 'notices.php';
126	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-extension-admin-base.php';
127	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-admin-actions.php';
128	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-admin-helper.php';
129	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-admin.php';
130	}
131
132
133	}
134
135	/**
136	* Set up global variables
137	*
138	* @since 1.0
139	*/
140	private function setup_globals() {
141	global $powered_cache_options;
142	$powered_cache_options = powered_cache_get_settings();
143	}
144
145
146	/**
147	* Setup plugin functionality
148	* @since 1.0
149	*/
150	private function setup() {
151	add_action( 'plugins_loaded', array( self::$instance, 'load_textdomain' ) );
152
153	Powered_Cache_Config::factory();
154
155	// load activated extensions
156	Powered_Cache_Extensions::factory()->load_extentions();
157
158	// setup cron
159	Powered_Cache_Cron::factory();
160
161	// Attached hooks
162	Powered_Cache_Hooks::factory();
163
164	// init admin
165	if ( is_admin() && class_exists( 'Powered_Cache_Admin' ) ) {
166	Powered_Cache_Admin::factory();
167	}
168
169	if ( true === powered_cache_get_option( 'enable_page_caching' ) ) {
170	Powered_Cache_Advanced_Cache::factory();
171	}
172
173	if ( 'off' !== powered_cache_get_option( 'object_cache' ) ) {
174	Powered_Cache_Object_Cache::factory();
175	}
176
177	// setup CDN
178	if ( true === powered_cache_get_option( 'cdn_status' ) ) {
179	if ( ! is_ssl() \|\| ( is_ssl() && false === powered_cache_get_option( 'cdn_ssl_disable' ) ) ) {
180	Powered_Cache_CDN::factory();
181	}
182	}
183
184	}
185
186
187	/**
188	* Loads the language packs
189	*
190	* @access public
191	* @since 1.0
192	* @return void
193	*/
194	public function load_textdomain() {
195	$powered_lang_dir = dirname( plugin_basename( POWERED_CACHE_PLUGIN_FILE ) ) . '/languages/';
196	$powered_lang_dir = apply_filters( 'powered_cache_lang_dir', $powered_lang_dir );
197	load_plugin_textdomain( 'powered-cache', false, $powered_lang_dir );
198	}
199
200
201	/**
202	* We don't want the object to be cloned.
203	*
204	* @since 1.0
205	*/
206	public function __clone() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'powered-cache' ), '1.0' ); }
207
208
209	/**
210	* Disable unserializing
211	*
212	* @since 1.0
213	*/
214	public function __wakeup() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'powered-cache' ), '1.0' ); }
215
216
217	}
218
219
220	endif;
221
222
223	register_deactivation_hook( __FILE__, 'powered_cache_deactivation' );
224
225	function powered_cache_deactivation() {
226	global $powered_cache_fs;
227
228	powered_cache_flush();
229	if ( ! is_multisite() ) {
230	Powered_Cache_Config::factory()->define_wp_cache( false );
231	Powered_Cache_Config::factory()->configure_htaccess( false );
232
233
234	// delete object cache file
235	if ( file_exists( untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php' ) ) {
236	$powered_cache_fs->delete( untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php' );
237	}
238
239	// delete advanced cache file
240	if ( file_exists( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' ) ) {
241	$powered_cache_fs->delete( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' );
242	}
243	}
244
245	delete_option( 'powered_cache_preload_runtime_option' );
246
247
248	// remove cron tasks
249	wp_clear_scheduled_hook( 'powered_cache_preload_hook' );
250	wp_clear_scheduled_hook( 'powered_cache_preload_child_process' );
251	wp_clear_scheduled_hook( 'powered_cache_purge_cache' );
252	}
253
254	/**
255	* The main function for that returns Powered_Cache
256	*
257	* @since 1.0
258	* @return Powered_Cache
259	*/
260	function powered_cache() {
261	return Powered_Cache::instance();
262	}
263
264
265	/**
266	* Check requirement
267	*/
268	function powered_cache_requirements_notice() {
269	if ( ! current_user_can( 'update_core' ) ) {
270	return;
271	}
272	?>
273
274	<div id="message" class="error notice">
275	<p><strong><?php esc_html_e( 'Your site does not support Powered Cache.', 'powered-cache' ); ?></strong></p>
276
277	<p><?php printf( esc_html__( 'Your site is currently running WordPress version %1$s, while Powered Cache requires version %2$s or greater.', 'powered-cache' ), esc_html( get_bloginfo( 'version' ) ), POWERED_CACHE_REQUIRED_WP_VERSION ); ?></p>
278
279	<p><?php esc_html_e( 'Please update your WordPress or deactivate Powered Cache.', 'powered-cache' ); ?></p>
280	</div>
281
282	<?php
283	}
284
285	if ( version_compare( get_bloginfo( 'version' ), POWERED_CACHE_REQUIRED_WP_VERSION, '<' ) ) {
286	add_action( 'admin_notices', 'powered_cache_requirements_notice' );
287	add_action( 'network_admin_notices', 'powered_cache_requirements_notice' );
288
289	return;
290	}
291
292	// run
293	powered_cache();