powered-cache / powered-cache.php

powered-cache.php in Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score 1.0.1, 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: 1.0.1
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', '1.0' );
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-advanced-cache.php';
117	require_once POWERED_CACHE_INC_DIR . 'class-powered-cache-object-cache.php';
118
119	if ( file_exists( POWERED_CACHE_PREMIUM_DIR . 'loader.php' ) ) {
120	require_once POWERED_CACHE_PREMIUM_DIR . 'loader.php';
121	}
122
123	if ( is_admin() \|\| ( defined( 'WP_CLI' ) && WP_CLI ) ) {
124	require_once POWERED_CACHE_ADMIN_DIR . 'notices.php';
125	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-extension-admin-base.php';
126	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-admin-actions.php';
127	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-admin-helper.php';
128	require_once POWERED_CACHE_ADMIN_DIR . 'class-powered-cache-admin.php';
129	}
130
131
132	}
133
134	/**
135	* Set up global variables
136	*
137	* @since 1.0
138	*/
139	private function setup_globals() {
140	global $powered_cache_options;
141	$powered_cache_options = powered_cache_get_settings();
142	}
143
144
145	/**
146	* Setup plugin functionality
147	* @since 1.0
148	*/
149	private function setup() {
150	add_action( 'plugins_loaded', array( self::$instance, 'load_textdomain' ) );
151
152	Powered_Cache_Config::factory();
153
154	// load activated extensions
155	Powered_Cache_Extensions::factory()->load_extentions();
156
157	// setup cron
158	Powered_Cache_Cron::factory();
159
160	// init admin
161	if ( is_admin() && class_exists( 'Powered_Cache_Admin' ) ) {
162	Powered_Cache_Admin::factory();
163	}
164
165	if ( true === powered_cache_get_option( 'enable_page_caching' ) ) {
166	Powered_Cache_Advanced_Cache::factory();
167	}
168
169	if ( 'off' !== powered_cache_get_option( 'object_cache' ) ) {
170	Powered_Cache_Object_Cache::factory();
171	}
172
173	// setup CDN
174	if ( true === powered_cache_get_option( 'cdn_status' ) ) {
175	if ( ! is_ssl() \|\| ( is_ssl() && false === powered_cache_get_option( 'cdn_ssl_disable' ) ) ) {
176	Powered_Cache_CDN::factory();
177	}
178	}
179
180	}
181
182
183	/**
184	* Loads the language packs
185	*
186	* @access public
187	* @since 1.0
188	* @return void
189	*/
190	public function load_textdomain() {
191	$powered_lang_dir = dirname( plugin_basename( POWERED_CACHE_PLUGIN_FILE ) ) . '/languages/';
192	$powered_lang_dir = apply_filters( 'powered_cache_lang_dir', $powered_lang_dir );
193	load_plugin_textdomain( 'powered-cache', false, $powered_lang_dir );
194	}
195
196
197	/**
198	* We don't want the object to be cloned.
199	*
200	* @since 1.0
201	*/
202	public function __clone() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'powered-cache' ), '1.0' ); }
203
204
205	/**
206	* Disable unserializing
207	*
208	* @since 1.0
209	*/
210	public function __wakeup() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'powered-cache' ), '1.0' ); }
211
212
213	}
214
215
216	endif;
217
218
219	register_deactivation_hook( __FILE__, 'powered_cache_deactivation' );
220
221	function powered_cache_deactivation() {
222	global $wp_filesystem;
223
224	powered_cache_flush();
225	if ( ! is_multisite() ) {
226	Powered_Cache_Config::factory()->define_wp_cache( false );
227	Powered_Cache_Config::factory()->configure_htaccess( false );
228
229
230	// delete object cache file
231	if ( file_exists( untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php' ) ) {
232	$wp_filesystem->delete( untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php' );
233	}
234
235	// delete advanced cache file
236	if ( file_exists( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' ) ) {
237	$wp_filesystem->delete( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' );
238	}
239	}
240
241	delete_option( 'powered_cache_preload_runtime_option' );
242
243
244	// remove cron tasks
245	wp_clear_scheduled_hook( 'powered_cache_preload_hook' );
246	wp_clear_scheduled_hook( 'powered_cache_preload_child_process' );
247	wp_clear_scheduled_hook( 'powered_cache_purge_cache' );
248	}
249
250	/**
251	* The main function for that returns Powered_Cache
252	*
253	* @since 1.0
254	* @return Powered_Cache
255	*/
256	function powered_cache() {
257	return Powered_Cache::instance();
258	}
259
260
261	/**
262	* Check requirement
263	*/
264	function powered_cache_requirements_notice() {
265	if ( ! current_user_can( 'update_core' ) ) {
266	return;
267	}
268	?>
269
270	<div id="message" class="error notice">
271	<p><strong><?php esc_html_e( 'Your site does not support Powered Cache.', 'powered-cache' ); ?></strong></p>
272
273	<p><?php printf( esc_html__( 'Your site is currently running WordPress version %1$s, while Powered Cache requires version %2$s or greater.', 'powered-cache' ), esc_html( get_bloginfo( 'version' ) ), POWERED_CACHE_REQUIRED_WP_VERSION ); ?></p>
274
275	<p><?php esc_html_e( 'Please update your WordPress or deactivate Powered Cache.', 'powered-cache' ); ?></p>
276	</div>
277
278	<?php
279	}
280
281	if ( version_compare( get_bloginfo( 'version' ), POWERED_CACHE_REQUIRED_WP_VERSION, '<' ) ) {
282	add_action( 'admin_notices', 'powered_cache_requirements_notice' );
283	add_action( 'network_admin_notices', 'powered_cache_requirements_notice' );
284
285	return;
286	}
287
288	// run
289	powered_cache();