← All changes | includes/admin/notices.php +377 -96 1.2 → trunk View file →

		@@ -1,81 +1,110 @@
1	1	<?php
2		-// Exit if accessed directly
3		-if ( ! defined( 'ABSPATH' ) ) {
4		- exit;
5		-}
	2	+/**
	3	+ * Admin Notices
	4	+ *
	5	+ * @package PoweredCache
	6	+ */
6	7
7		-add_action( 'admin_notices', 'powered_cache_flash_messages' );
	8	+namespace PoweredCache\Admin\Notices;
8	9
	10	+use function PoweredCache\Utils\can_configure_htaccess;
	11	+use function PoweredCache\Utils\can_configure_object_cache;
	12	+use function PoweredCache\Utils\can_control_all_settings;
	13	+use function PoweredCache\Utils\get_object_cache_dropins;
	14	+use function PoweredCache\Utils\is_premium;
	15	+use const PoweredCache\Constants\PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT;
	16	+
9	17	/**
10		- * Display flash messages
	18	+ * Default setup routine
11	19	*
12		- * @since 1.0
	20	+ * @return void
13	21	*/
14		-function powered_cache_flash_messages() {
15		- Powered_Cache_Admin_Helper::get_flash_message();
	22	+function setup() {
	23	+ if ( POWERED_CACHE_IS_NETWORK ) {
	24	+ add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_plugin_compatibility_notices' );
	25	+ add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_advanced_cache_notices' );
	26	+ add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_object_cache_notices' );
	27	+ add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_htaccess_notice' );
	28	+ add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_purge_cache_plugin_notice' );
	29	+ add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_dev_mode_notice' );
	30	+ } else {
	31	+ add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_plugin_compatibility_notices' );
	32	+ add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_advanced_cache_notices' );
	33	+ add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_object_cache_notices' );
	34	+ add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_htaccess_notice' );
	35	+ add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_purge_cache_plugin_notice' );
	36	+ add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_dev_mode_notice' );
	37	+ }
	38	+
	39	+ add_action( 'activated_plugin', __NAMESPACE__ . '\\observe_plugin_changes', 10, 2 );
	40	+ add_action( 'deactivated_plugin', __NAMESPACE__ . '\\observe_plugin_changes', 10, 2 );
	41	+ add_action( 'admin_post_powered_cache_dismiss_notice', __NAMESPACE__ . '\\dismiss_notice' );
	42	+ add_action( 'wp_ajax_powered_cache_dismiss_notice_ajax', __NAMESPACE__ . '\\dismiss_notice_ajax' );
16	43	}
17	44
18		-
19		-add_action( 'admin_notices', 'powered_cache_plugin_compatability_notices' );
20		-
21	45	/**
22	46	* Display incompatible plugins
23	47	*
24	48	* @since 1.0
25	49	*/
26		-function powered_cache_plugin_compatability_notices() {
	50	+function maybe_display_plugin_compatibility_notices() {
	51	+ $settings = \PoweredCache\Utils\get_settings();
27	52
28	53	$plugins = array(
29		- 'w3-total-cache' => 'w3-total-cache/w3-total-cache.php',
30		- 'wp-super-cache' => 'wp-super-cache/wp-cache.php',
31		- 'quick-cache' => 'quick-cache/quick-cache.php',
32		- 'hyper-cache' => 'hyper-cache/plugin.php',
33		- 'hyper-cache-extended' => 'hyper-cache-extended/plugin.php',
34		- 'wp-fast-cache' => 'wp-fast-cache/wp-fast-cache.php',
35		- 'flexicache' => 'flexicache/wp-plugin.php',
36		- 'wp-fastest-cache' => 'wp-fastest-cache/wpFastestCache.php',
37		- 'lite-cache' => 'lite-cache/plugin.php',
38		- 'gator-cache' => 'gator-cache/gator-cache.php',
39		- 'wp-http-compression' => 'wp-http-compression/wp-http-compression.php',
40		- 'wordpress-gzip-compression' => 'wordpress-gzip-compression/ezgz.php',
41		- 'gzip-ninja-speed-compression' => 'gzip-ninja-speed-compression/gzip-ninja-speed.php',
42		- 'speed-booster-pack' => 'speed-booster-pack/speed-booster-pack.php',
43		- 'wp-performance-score-booster' => 'wp-performance-score-booster/wp-performance-score-booster.php',
44		- 'remove-query-strings-from-static-resources' => 'remove-query-strings-from-static-resources/remove-query-strings.php',
45		- 'query-strings-remover' => 'query-strings-remover/query-strings-remover.php',
46		- 'wp-ffpc' => 'wp-ffpc/wp-ffpc.php',
47		- 'far-future-expiry-header' => 'far-future-expiry-header/far-future-expiration.php',
48		- 'combine-css' => 'combine-css/combine-css.php',
49		- 'super-static-cache' => 'super-static-cache/super-static-cache.php',
50		- 'wpcompressor' => 'wpcompressor/wpcompressor.php',
51		- 'check-and-enable-gzip-compression' => 'check-and-enable-gzip-compression/richards-toolbox.php',
52		- 'leverage-browser-caching-ninjas' => 'leverage-browser-caching-ninjas/leverage-browser-caching-ninja.php',
53		- 'force-gzip' => 'force-gzip/force-gzip.php'
	54	+ 'hummingbird-performance' => 'hummingbird-performance/wp-hummingbird.php',
	55	+ 'wp-rocket' => 'wp-rocket/wp-rocket.php',
	56	+ 'w3-total-cache' => 'w3-total-cache/w3-total-cache.php',
	57	+ 'wp-super-cache' => 'wp-super-cache/wp-cache.php',
	58	+ 'hyper-cache' => 'hyper-cache/plugin.php',
	59	+ 'hyper-cache-extended' => 'hyper-cache-extended/plugin.php',
	60	+ 'wp-fast-cache' => 'wp-fast-cache/wp-fast-cache.php',
	61	+ 'flexicache' => 'flexicache/wp-plugin.php',
	62	+ 'wp-fastest-cache' => 'wp-fastest-cache/wpFastestCache.php',
	63	+ 'wp-http-compression' => 'wp-http-compression/wp-http-compression.php',
	64	+ 'wordpress-gzip-compression' => 'wordpress-gzip-compression/ezgz.php',
	65	+ 'gzip-ninja-speed-compression' => 'gzip-ninja-speed-compression/gzip-ninja-speed.php',
	66	+ 'speed-booster-pack' => 'speed-booster-pack/speed-booster-pack.php',
	67	+ 'wp-performance-score-booster' => 'wp-performance-score-booster/wp-performance-score-booster.php',
	68	+ 'check-and-enable-gzip-compression' => 'check-and-enable-gzip-compression/richards-toolbox.php',
	69	+ 'swift-performance-lite' => 'swift-performance-lite/performance.php',
	70	+ 'swift-performance' => 'swift-performance/performance.php',
	71	+ 'litespeed-cache' => 'litespeed-cache/litespeed-cache.php',
	72	+ 'wp-optimize' => 'wp-optimize/wp-optimize.php',
54	73	);
55	74
	75	+ if ( $settings['prefetch_links'] && is_premium() ) {
	76	+ $plugins['quicklink'] = 'quicklink/quicklink.php';
	77	+ $plugins['flying-pages'] = 'flying-pages/flying-pages.php';
	78	+ $plugins['instant-page'] = 'instant-page/instantpage.php';
	79	+ }
56	80
57		- $plugins = array_filter( $plugins, 'is_plugin_active' );
	81	+ $callback = POWERED_CACHE_IS_NETWORK ? 'is_plugin_active_for_network' : 'is_plugin_active';
58	82
59		- if ( count( $plugins ) > 0 && current_user_can( apply_filters( 'powered_cache_cap', 'manage_options' ) ) ) { ?>
	83	+ $plugins = array_filter( $plugins, $callback );
	84	+
	85	+ if ( 0 >= count( $plugins ) ) {
	86	+ return;
	87	+ }
	88	+ ?>
	89	+
	90	+ <?php if ( current_user_can( 'activate_plugins' ) ) : ?>
60	91	<div class="error">
61		- <h2><?php _e( 'Powered Cache', 'powered-cache' ); ?></h2>
62		-
63		- <p><?php printf( __( 'The following plugins are not compatible with <b>%s</b> and will cause unintended results:', 'powered-cache' ), __( 'Powered Cache', 'powered-cache' ) ); ?></p>
	92	+ <p><?php esc_html_e( 'The following plugins are not compatible with Powered Cache and may cause unintended results:', 'powered-cache' ); ?></p>
64	93	<ul class="incompatible-plugin-list">
65	94	<?php
66	95	foreach ( $plugins as $plugin ) {
67	96	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . DIRECTORY_SEPARATOR . $plugin );
68		- echo '<li>' . $plugin_data['Name'] . '</span> <a href="' . wp_nonce_url( admin_url( 'admin-post.php?action=deactivate_plugin&plugin=' . urlencode( $plugin ) ), 'deactivate_plugin' ) . '" class="button-secondary">' . __( 'Deactivate', 'powered-cache' ) . '</a></li>';
	97	+ echo '<li>' . esc_attr( $plugin_data['Name'] ) . '</span> <a href="' . esc_url_raw( wp_nonce_url( admin_url( 'admin-post.php?action=deactivate_plugin&plugin=' . rawurlencode( $plugin ) ), 'deactivate_plugin' ) ) . '" class="button-secondary">' . esc_html__( 'Deactivate', 'powered-cache' ) . '</a></li>'; // phpcs:ignore WordPressVIPMinimum.Security.ProperEscapingFunction.notAttrEscAttr
69	98	}
70	99	?>
71	100	</ul>
72	101	</div>
73		- <?php
74		- }
	102	+ <?php endif; ?>
	103	+
	104	+ <?php
75	105	}
76	106
77		-add_action( 'admin_notices', 'powered_cache_advanced_cache_notices' );
78	107
79	108	/**
80	109	* Show notices about page cache
81	110	*
		@@ -80,30 +109,36 @@
80	109	* Show notices about page cache
81	110	*
82	111	* @since 1.0
83	112	*/
84		-function powered_cache_advanced_cache_notices() {
85		-
	113	+function maybe_display_advanced_cache_notices() {
86	114	/**
87		- * Users might want to control this notice.
	115	+ * Determine whether show or not show advanced cache related notices
88	116	* eg: Varnish users don't need to turning on page cache.
89		- * Yeah! they can use remove_action as well
90	117	*
91		- * @since 1.2
	118	+ * @hook powered_cache_disable_advanced_cache_notices
	119	+ *
	120	+ * @param {boolean} $status false
	121	+ *
	122	+ * @return {boolean} New value
	123	+ * @since 1.2
92	124	*/
93	125	if ( apply_filters( 'powered_cache_disable_advanced_cache_notices', false ) ) {
94	126	return;
95	127	}
96	128
97		- if ( powered_cache_is_saving_options() ) {
98		- return;
99		- }
	129	+ $settings = \PoweredCache\Utils\get_settings();
100	130
	131	+ if ( ! $settings['enable_page_cache'] ) {
101	132
102		- if ( true !== powered_cache_get_option( 'enable_page_caching' ) ) {
	133	+ $settings_page = POWERED_CACHE_IS_NETWORK ? network_admin_url( 'admin.php?page=powered-cache#basic-options' ) : admin_url( 'admin.php?page=powered-cache#basic-options' );
	134	+
	135	+ /* translators: %s: Powered Cache settings page URL */
	136	+ $message = sprintf( __( '<strong>Powered Cache:</strong> Page caching needs to be activated in order to speed up your website. Please activate it on <a href="%s">settings page</a>', 'powered-cache' ), esc_url( $settings_page ) );
103	137	?>
104		- <div class="notice notice-warning"><p>
105		- <?php echo sprintf( __( '<strong>Important:</strong> please enable page caching on the Powered Cache <a href="%s">settings page</a>', 'powered-cache' ), admin_url( 'admin.php?page=powered-cache' ) ); ?>
	138	+ <div class="notice notice-warning">
	139	+ <p>
	140	+ <?php echo wp_kses_post( $message ); ?>
106	141	</p>
107	142	</div>
108	143	<?php
109	144	return;
		@@ -108,20 +143,36 @@
108	143	<?php
109	144	return;
110	145	}
111	146
	147	+ if ( file_exists( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' ) ) {
	148	+ $modify_time = filemtime( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' );
	149	+ if ( time() - absint( $modify_time ) < 10 ) {
	150	+ /**
	151	+ * Modify drop-ins and can take ~5 seconds to place the configuration and it might cause misinformation to the user
	152	+ * So, suppress the error message here when doing something related to settings.
	153	+ *
	154	+ * This wouldn't be an issue if there is no immediate redirection right after saving the settings. However, in that case
	155	+ * the admin bar items won't be properly utilized unless refreshing the page
	156	+ */
	157	+ return;
	158	+ }
	159	+ }
	160	+
112	161	$err = array();
113	162
114	163	if ( ! defined( 'WP_CACHE' ) || true !== WP_CACHE ) {
115		- $err['wp_cache'] = sprintf( __( '<code>%s</code> is not in wp-config.php.', 'powered-cache' ), 'define("WP_CACHE", true);' );
	164	+ /* translators: %s: WP_CACHE definition*/
	165	+ $err['wp_cache'] = sprintf( __( '<code>%s</code> is not found in wp-config.php.', 'powered-cache' ), 'define("WP_CACHE", true);' );
116	166	}
117	167
118		- if ( ! defined( 'POWERED_CACHE_PAGE_CACHING' ) || true !== POWERED_CACHE_PAGE_CACHING ) {
119		- $err['powered_cache_page_cache'] = sprintf( __( '<code>%s</code> file was edited or deleted. You can re-create correct configuration files by saving settings.', 'powered-cache' ), basename( WP_CONTENT_DIR ) . '/advanced-cache.php' );
	168	+ if ( defined( 'WP_CACHE' ) && WP_CACHE && ( ! defined( 'POWERED_CACHE_PAGE_CACHING' ) || true !== POWERED_CACHE_PAGE_CACHING ) ) {
	169	+ /* translators: %s: advanced-cache.php drop-in path */
	170	+ $err['powered_cache_page_cache'] = sprintf( __( '<code>%s</code> file was edited or deleted. You can recreate the correct configuration files by saving Powered Cache settings.', 'powered-cache' ), basename( WP_CONTENT_DIR ) . '/advanced-cache.php' );
120	171	}
121	172
122		-
123		- if ( defined( 'POWERED_CACHE_PAGE_CACHING_HAS_PROBLEM' ) && true === POWERED_CACHE_PAGE_CACHING_HAS_PROBLEM ) {
	173	+ if ( defined( 'POWERED_CACHE_PAGE_CACHING_HAS_PROBLEM' ) && POWERED_CACHE_PAGE_CACHING_HAS_PROBLEM ) {
	174	+ /* translators: %s: page-cache.php drop-in path */
124	175	$err['powered_cache_page_cache_has_problem'] = sprintf( __( 'Powered Cache could not access dropin. Please check <code>%s</code> exist and accessible on your server.', 'powered-cache' ), POWERED_CACHE_DROPIN_DIR . 'page-cache.php' );
125	176	}
126	177
127	178	// everything ok
		@@ -128,26 +179,31 @@
128	179	if ( empty( $err ) ) {
129	180	return;
130	181	}
131	182
132		- if ( ! current_user_can( apply_filters( 'powered_cache_cap', 'manage_options' ) ) ) {
	183	+ // dont show when settings just saved
	184	+ if ( did_action( 'powered_cache_settings_saved' ) ) {
133	185	return;
134	186	}
	187	+
	188	+ $capability = POWERED_CACHE_IS_NETWORK ? 'manage_network' : 'manage_options';
	189	+
	190	+ if ( ! current_user_can( $capability ) ) {
	191	+ return;
	192	+ }
135	193	?>
136	194	<div class="error">
137		- <h2><?php _e( 'Powered Cache', 'powered-cache' ); ?></h2>
138		- <strong><?php echo __( 'Page Caching feature could not work because:', 'powered-cache' ); ?></strong>
139		-
140		- <?php foreach ( $err as $error_msg ): ?>
141		- <p><?php echo $error_msg; ?></p>
	195	+ <p>
	196	+ <strong><?php esc_html_e( 'Page Cache is not working, because:', 'powered-cache' ); ?></strong>
	197	+ </p>
	198	+ <?php foreach ( $err as $error_msg ) : ?>
	199	+ <p><?php echo wp_kses_post( $error_msg ); ?></p>
142	200	<?php endforeach; ?>
143	201	</div>
144	202	<?php
145	203
146		-
147	204	}
148	205
149		-add_action( 'admin_notices', 'powered_cache_object_cache_notices' );
150	206
151	207	/**
152	208	* Display object cache broken msg
153	209	*
		@@ -152,25 +208,39 @@
152	208	* Display object cache broken msg
153	209	*
154	210	* @since 1.0
155	211	*/
156		-function powered_cache_object_cache_notices() {
157		- $object_cache_backends = Powered_Cache_Admin_Helper::object_cache_dropins();
158		- $object_cache_driver = powered_cache_get_option( 'object_cache' );
	212	+function maybe_display_object_cache_notices() {
	213	+ $settings = \PoweredCache\Utils\get_settings();
	214	+
	215	+ $object_cache_backends = get_object_cache_dropins();
	216	+ $object_cache_driver = $settings['object_cache'];
159	217	$object_cache_dropin = untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php';
160	218
	219	+ if ( ! can_configure_object_cache() ) {
	220	+ return;
	221	+ }
161	222
162		- if ( ! current_user_can( apply_filters( 'powered_cache_cap', 'manage_options' ) ) ) {
	223	+ // dont show when settings just saved
	224	+ if ( did_action( 'powered_cache_settings_saved' ) ) {
163	225	return;
164	226	}
165	227
	228	+ if ( file_exists( $object_cache_dropin ) ) {
	229	+ $modify_time = filemtime( $object_cache_dropin );
	230	+ if ( time() - absint( $modify_time ) < 10 ) { // just created
	231	+ return;
	232	+ }
	233	+ }
	234	+
166	235	// first check object cache file exist
167	236	if ( isset( $object_cache_backends[ $object_cache_driver ] ) && ! file_exists( $object_cache_dropin ) ) {
168		- $message = sprintf( __( 'Phew! It looks your object cache file missing. Please check <code>%s</code> exist, writable and accessible on your server.', 'powered-cache' ), $object_cache_dropin );
	237	+ /* translators: %s: object cache dropin path */
	238	+ $message = sprintf( __( 'The object cache file seems missing. Please check <code>%s</code> exist, writable and accessible on your server.', 'powered-cache' ), $object_cache_dropin );
169	239	?>
170	240	<div class="error">
171		- <p><strong><?php echo __( 'Powered Cache:', 'powered-cache' ); ?></strong>
172		- <?php echo $message; ?>
	241	+ <p><strong><?php esc_html_e( 'Powered Cache:', 'powered-cache' ); ?></strong>
	242	+ <?php echo wp_kses_post( $message ); ?>
173	243	</p>
174	244	</div>
175	245	<?php
176	246	return;
		@@ -175,20 +245,20 @@
175	245	<?php
176	246	return;
177	247	}
178	248
	249	+ if ( defined( 'POWERED_OBJECT_CACHE_HAS_PROBLEM' ) && POWERED_OBJECT_CACHE_HAS_PROBLEM ) {
	250	+ $broken_file = '';
179	251
180		-
181		- if ( defined( 'POWERED_OBJECT_CACHE_HAS_PROBLEM' ) && true === POWERED_OBJECT_CACHE_HAS_PROBLEM ) {
182		- if ( isset( $object_cache_backends[ $object_cache_driver] ) ) {
	252	+ if ( isset( $object_cache_backends[ $object_cache_driver ] ) ) {
183	253	$broken_file = $object_cache_backends[ $object_cache_driver ];
184	254	}
185		-
186		- $message = sprintf( __( 'Powered Cache could not access object cache backend. Please check <code>%s</code> exist and accessible on your server.', 'powered-cache' ), $broken_file );
	255	+ /* translators: %s: object cache dropin path */
	256	+ $message = sprintf( __( 'The object cache file couldn\'t be loaded. Please check <code>%s</code> exist and accessible on your server.', 'powered-cache' ), $broken_file );
187	257	?>
188	258	<div class="error">
189		- <p><strong><?php echo __( 'Powered Cache:', 'powered-cache' ); ?></strong>
190		- <?php echo $message; ?>
	259	+ <p><strong><?php esc_html_e( 'Powered Cache:', 'powered-cache' ); ?></strong>
	260	+ <?php echo wp_kses_post( $message ); ?>
191	261	</p>
192	262	</div>
193	263	<?php
194	264	}
		@@ -194,36 +264,50 @@
194	264	}
195	265
196	266	}
197	267
198		-add_action( 'admin_notices', 'powered_cache_maybe_htaccess_warning' );
199		-
200	268	/**
201	269	* Notices for the .htaccess
202	270	*
203	271	* @since 1.2
204	272	*/
205		-function powered_cache_maybe_htaccess_warning() {
	273	+function maybe_display_htaccess_notice() {
206	274	global $is_apache;
207	275
208		- if ( true !== powered_cache_get_option( 'configure_htaccess' ) ) {
	276	+ if ( ! $is_apache ) {
209	277	return;
210	278	}
211	279
212		- if ( ! $is_apache ) {
	280	+ $settings = \PoweredCache\Utils\get_settings();
	281	+
	282	+ if ( ! $settings['auto_configure_htaccess'] ) {
213	283	return;
214	284	}
215	285
216		- if ( ! current_user_can( apply_filters( 'powered_cache_cap', 'manage_options' ) ) ) {
	286	+ if ( ! can_configure_htaccess() ) {
217	287	return;
218	288	}
219	289
	290	+ // dont show when settings just saved
	291	+ if ( did_action( 'powered_cache_settings_saved' ) ) {
	292	+ return;
	293	+ }
	294	+
220	295	$htaccess_file = get_home_path() . '.htaccess';
221		- $message = '';
	296	+
	297	+ if ( file_exists( $htaccess_file ) ) {
	298	+ $modify_time = filemtime( $htaccess_file );
	299	+ if ( time() - absint( $modify_time ) < 10 ) { // just modified
	300	+ return;
	301	+ }
	302	+ }
	303	+
	304	+ $message = '';
	305	+
222	306	if ( ! file_exists( $htaccess_file ) ) {
223		- $message = sprintf( __( 'We can\'t find <code>%s</code> file on your server. Please create a new <code>.htaccess</code> file. <a href="%s">Codex</a> might help!.', 'powered-cache' ), '.htaccess', 'https://codex.wordpress.org/htaccess' );
	307	+ $message = __( 'The <code>.htaccess</code> couldn\'t be found on your server. Please create a new <code>.htaccess</code> file. (<a href="https://wordpress.org/support/article/htaccess/" target="_blank" rel="noopener">?</a>)', 'powered-cache' );
224	308	} elseif ( ! is_writeable( $htaccess_file ) ) {
225		- $message = sprintf( __( 'Oh no! It looks your <code>%s</code> file is not writable. Please make sure it is writable by the web server. Your website will much more faster when configured for Powered Cache.', 'powered-cache' ), '.htaccess' );
	309	+ $message = __( 'Oh no! It looks <code>.htaccess</code> file is not writable. Please make sure it is writable by the application server. Your website will be much faster when .htaccess is configured for Powered Cache.', 'powered-cache' );
226	310	}
227	311
228	312	if ( empty( $message ) ) {
229	313	return;
		@@ -231,12 +315,209 @@
231	315
232	316	?>
233	317
234	318	<div class="error">
235		- <p><strong><?php echo __( 'Powered Cache:', 'powered-cache' ); ?></strong>
236		- <?php echo $message; ?>
	319	+ <p><strong><?php esc_html_e( 'Powered Cache:', 'powered-cache' ); ?></strong>
	320	+ <?php echo wp_kses_post( $message ); ?>
237	321	</p>
238	322	</div>
239	323
240	324	<?php
	325	+}
241	326
	327	+/**
	328	+ * Observe new plugin activation/deactivation
	329	+ *
	330	+ * @param string $plugin file
	331	+ * @param boolean $network_wide Whether plugin de/activated network wide or not
	332	+ *
	333	+ * @return void
	334	+ * @since 3.2
	335	+ */
	336	+function observe_plugin_changes( $plugin, $network_wide ) {
	337	+ if ( false !== stripos( $plugin, 'powered-cache' ) ) {
	338	+ return;
	339	+ }
	340	+
	341	+ if ( $network_wide ) {
	342	+ set_site_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT, '1' );
	343	+
	344	+ return;
	345	+ }
	346	+
	347	+ set_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT, '1' );
	348	+}
	349	+
	350	+/**
	351	+ * Display cache purging notice upon a new plugin activated/deactivated
	352	+ *
	353	+ * @return void
	354	+ * @since 3.2
	355	+ */
	356	+function maybe_display_purge_cache_plugin_notice() {
	357	+ $has_notice = false;
	358	+
	359	+ if ( POWERED_CACHE_IS_NETWORK && current_user_can( 'manage_network' ) ) {
	360	+ $has_notice = get_site_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT );
	361	+ $purge_url = wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_page_cache_network' ), 'powered_cache_purge_page_cache_network' );
	362	+ } elseif ( current_user_can( 'activate_plugins' ) ) {
	363	+ $has_notice = get_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT );
	364	+ $purge_url = wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_all_cache' ), 'powered_cache_purge_all_cache' );
	365	+ }
	366	+
	367	+ if ( $has_notice ) {
	368	+ $message = __( '<strong>Powered Cache:</strong> One or more plugins have been activated or deactivated; consider clearing the cache if these changes impact your site\'s front end.', 'powered-cache' );
	369	+ $dismiss_nonce = wp_create_nonce( 'powered_cache_dismiss_notice_ajax' );
	370	+ ?>
	371	+ <div class="notice notice-warning is-dismissible powered-cache-dismissible-notice" data-notice-id="<?php echo esc_attr( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT ); ?>" data-nonce="<?php echo esc_attr( $dismiss_nonce ); ?>">
	372	+ <p>
	373	+ <?php echo wp_kses_post( $message ); ?>
	374	+ </p>
	375	+ <p>
	376	+ <a href="<?php echo esc_url_raw( $purge_url ); ?>" class="button-primary">
	377	+ <?php esc_html_e( 'Purge Cache', 'powered-cache' ); ?>
	378	+ </a>
	379	+ <a href="<?php echo esc_url_raw( wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_dismiss_notice&notice=' . PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT ), 'powered_cache_dismiss_notice' ) ); ?>" class="button-secondary powered-cache-dismiss-button">
	380	+ <?php esc_html_e( 'Dismiss this notice', 'powered-cache' ); ?>
	381	+ </a>
	382	+ </p>
	383	+ </div>
	384	+ <script type="text/javascript">
	385	+ (function() {
	386	+ document.addEventListener('click', function(e) {
	387	+ var button = e.target.closest('.notice-dismiss, .powered-cache-dismiss-button');
	388	+ if (!button) {
	389	+ return;
	390	+ }
	391	+
	392	+ var notice = button.closest('.powered-cache-dismissible-notice');
	393	+ if (!notice) {
	394	+ return;
	395	+ }
	396	+
	397	+ e.preventDefault();
	398	+
	399	+ var noticeId = notice.getAttribute('data-notice-id');
	400	+ var nonce = notice.getAttribute('data-nonce');
	401	+
	402	+ if (button.classList.contains('powered-cache-dismiss-button')) {
	403	+ e.preventDefault();
	404	+ notice.style.opacity = '1';
	405	+ notice.style.transition = 'opacity 0.3s';
	406	+ notice.style.opacity = '0';
	407	+
	408	+ setTimeout(function() {
	409	+ if (notice && notice.parentNode) {
	410	+ notice.parentNode.removeChild(notice);
	411	+ }
	412	+ }, 300);
	413	+ }
	414	+
	415	+ var xhr = new XMLHttpRequest();
	416	+ xhr.open('POST', '<?php echo esc_url( admin_url( 'admin-ajax.php' ) ); ?>', true);
	417	+ xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	418	+ xhr.onload = function () {
	419	+ if (xhr.status !== 200) {
	420	+ console.error('Dismiss failed');
	421	+ }
	422	+ };
	423	+
	424	+ xhr.send(
	425	+ 'action=powered_cache_dismiss_notice_ajax'
	426	+ + '&notice=' + encodeURIComponent(noticeId)
	427	+ + '&nonce=' + encodeURIComponent(nonce)
	428	+ );
	429	+ });
	430	+ })();
	431	+ </script>
	432	+ <?php
	433	+ }
	434	+}
	435	+
	436	+/**
	437	+ * Dismis given notice
	438	+ *
	439	+ * @return void
	440	+ * @since 3.2
	441	+ */
	442	+function dismiss_notice() {
	443	+ $nonce = isset( $_GET['_wpnonce'] ) ? sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ) : '';
	444	+ if ( ! wp_verify_nonce( $nonce, 'powered_cache_dismiss_notice' ) ) {
	445	+ wp_nonce_ays( '' );
	446	+ }
	447	+
	448	+ if ( current_user_can( 'manage_options' ) && ! empty( $_GET['notice'] ) ) {
	449	+ $notice = sanitize_text_field( wp_unslash( $_GET['notice'] ) );
	450	+
	451	+ if ( POWERED_CACHE_IS_NETWORK ) {
	452	+ delete_site_transient( $notice );
	453	+ } else {
	454	+ delete_transient( $notice );
	455	+ }
	456	+ }
	457	+
	458	+ wp_safe_redirect( esc_url_raw( wp_get_referer() ) );
	459	+ exit;
	460	+}
	461	+
	462	+/**
	463	+ * Dismiss notice via AJAX
	464	+ *
	465	+ * @return void
	466	+ * @since 3.7
	467	+ */
	468	+function dismiss_notice_ajax() {
	469	+ check_ajax_referer( 'powered_cache_dismiss_notice_ajax', 'nonce' );
	470	+
	471	+ if ( ! current_user_can( 'manage_options' ) ) {
	472	+ wp_send_json_error( array( 'message' => esc_html__( 'Permission denied', 'powered-cache' ) ) );
	473	+ }
	474	+
	475	+ if ( empty( $_POST['notice'] ) ) {
	476	+ wp_send_json_error( array( 'message' => esc_html__( 'Notice ID missing', 'powered-cache' ) ) );
	477	+ }
	478	+
	479	+ $notice = sanitize_text_field( wp_unslash( $_POST['notice'] ) );
	480	+
	481	+ if ( POWERED_CACHE_IS_NETWORK ) {
	482	+ delete_site_transient( $notice );
	483	+ } else {
	484	+ delete_transient( $notice );
	485	+ }
	486	+
	487	+ wp_send_json_success( array( 'message' => esc_html__( 'Notice dismissed', 'powered-cache' ) ) );
	488	+}
	489	+
	490	+/**
	491	+ * Display a notice when development mode is active
	492	+ *
	493	+ * @return void
	494	+ * @since 3.6
	495	+ * @related \PoweredCache\DevMode
	496	+ */
	497	+function maybe_display_dev_mode_notice() {
	498	+ if ( ! \PoweredCache\Utils\is_dev_mode_active() ) {
	499	+ return;
	500	+ }
	501	+
	502	+ if ( ! current_user_can( 'manage_options' ) ) {
	503	+ return;
	504	+ }
	505	+
	506	+ // Only display on Powered Cache settings page
	507	+ $current_screen = get_current_screen();
	508	+
	509	+ if (
	510	+ ! $current_screen
	511	+ || ( ! isset( $current_screen->id ) || false === strpos( $current_screen->id, 'powered-cache' ) )
	512	+ ) {
	513	+ return;
	514	+ }
	515	+
	516	+ ?>
	517	+ <div class="notice notice-warning is-dismissible">
	518	+ <p><strong><?php esc_html_e( 'Development Mode is active.', 'powered-cache' ); ?></strong>
	519	+ <?php esc_html_e( 'Caching and optimizations are currently disabled. Don’t forget to disable it when done.', 'powered-cache' ); ?>
	520	+ </p>
	521	+ </div>
	522	+ <?php
242	523	}