class.jetpack-network.php — Jetpack – WP Security, Backup, Speed, & Growth 12.0.2

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class.jetpack-network.php

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1	<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFilename
2	/**
3	* Jetpack Network Manager class file.
4	*
5	* @package automattic/jetpack
6	*/
7
8	use Automattic\Jetpack\Connection\Manager;
9	use Automattic\Jetpack\Connection\Tokens;
10	use Automattic\Jetpack\Status;
11	use Automattic\Jetpack\Waf\Brute_Force_Protection\Brute_Force_Protection_Shared_Functions;
12
13	/**
14	* Used to manage Jetpack installation on Multisite Network installs
15	*
16	* SINGLETON: To use call Jetpack_Network::init()
17	*
18	* DO NOT USE ANY STATIC METHODS IN THIS CLASS!!!!!!
19	*
20	* @since 2.9
21	*/
22	class Jetpack_Network {
23
24	/**
25	* Holds a static copy of Jetpack_Network for the singleton
26	*
27	* @since 2.9
28	* @var Jetpack_Network
29	*/
30	private static $instance = null;
31
32	/**
33	* An instance of the connection manager object.
34	*
35	* @since 7.7
36	* @var Automattic\Jetpack\Connection\Manager
37	*/
38	private $connection;
39
40	/**
41	* Name of the network wide settings
42	*
43	* @since 2.9
44	* @var string
45	*/
46	private $settings_name = 'jetpack-network-settings';
47
48	/**
49	* Defaults for settings found on the Jetpack > Settings page
50	*
51	* @since 2.9
52	* @var array
53	*/
54	private $setting_defaults = array(
55	'auto-connect' => 0,
56	'sub-site-connection-override' => 1,
57	);
58
59	/**
60	* Constructor
61	*
62	* @since 2.9
63	*/
64	private function __construct() {
65	require_once ABSPATH . '/wp-admin/includes/plugin.php'; // For the is_plugin... check.
66
67	/**
68	* Sanity check to ensure the install is Multisite and we
69	* are in Network Admin
70	*/
71	if ( is_multisite() && is_network_admin() ) {
72	add_action( 'network_admin_menu', array( $this, 'add_network_admin_menu' ) );
73	add_action( 'network_admin_edit_jetpack-network-settings', array( $this, 'save_network_settings_page' ), 10, 0 );
74	add_filter( 'admin_body_class', array( $this, 'body_class' ) );
75
76	if ( isset( $_GET['page'] ) && 'jetpack' === $_GET['page'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is view logic.
77	add_action( 'admin_init', array( $this, 'jetpack_sites_list' ) );
78	}
79	}
80
81	/*
82	* Things that should only run on multisite
83	*/
84	if ( is_multisite() && is_plugin_active_for_network( 'jetpack/jetpack.php' ) ) {
85	add_action( 'wp_before_admin_bar_render', array( $this, 'add_to_menubar' ) );
86	add_filter( 'jetpack_disconnect_cap', array( $this, 'set_multisite_disconnect_cap' ) );
87
88	/*
89	* If admin wants to automagically register new sites set the hook here
90	*
91	* This is a hacky way because xmlrpc is not available on wp_initialize_site
92	*/
93	if ( 1 === $this->get_option( 'auto-connect' ) ) {
94	add_action( 'wp_initialize_site', array( $this, 'do_automatically_add_new_site' ) );
95	}
96	}
97	}
98
99	/**
100	* Sets a connection object.
101	*
102	* @param Automattic\Jetpack\Connection\Manager $connection the connection manager object.
103	*/
104	public function set_connection( Manager $connection ) {
105	$this->connection = $connection;
106	}
107
108	/**
109	* Registers new sites upon creation
110	*
111	* @since 2.9
112	* @since 7.4.0 Uses a WP_Site object.
113	* @uses wp_initialize_site
114	*
115	* @param WP_Site $site the WordPress site object.
116	**/
117	public function do_automatically_add_new_site( $site ) {
118	if ( is_a( $site, 'WP_Site' ) ) {
119	$this->do_subsiteregister( $site->id );
120	}
121	}
122
123	/**
124	* Adds .network-admin class to the body tag
125	* Helps distinguish network admin JP styles from regular site JP styles
126	*
127	* @since 2.9
128	*
129	* @param String $classes current assigned body classes.
130	* @return String amended class string.
131	*/
132	public function body_class( $classes ) {
133	return trim( $classes ) . ' network-admin ';
134	}
135
136	/**
137	* Provides access to an instance of Jetpack_Network
138	*
139	* This is how the Jetpack_Network object should always be accessed
140	*
141	* @since 2.9
142	* @return Jetpack_Network
143	*/
144	public static function init() {
145	if ( ! self::$instance \|\| ! is_a( self::$instance, 'Jetpack_Network' ) ) {
146	self::$instance = new Jetpack_Network();
147	}
148
149	return self::$instance;
150	}
151
152	/**
153	* Registers the Multisite admin bar menu item shortcut.
154	* This shortcut helps users quickly and easily navigate to the Jetpack Network Admin
155	* menu from anywhere in their network.
156	*
157	* @since 2.9
158	*/
159	public function register_menubar() {
160	add_action( 'wp_before_admin_bar_render', array( $this, 'add_to_menubar' ) );
161	}
162
163	/**
164	* Runs when Jetpack is deactivated from the network admin plugins menu.
165	* Each individual site will need to have Jetpack::disconnect called on it.
166	* Site that had Jetpack individually enabled will not be disconnected as
167	* on Multisite individually activated plugins are still activated when
168	* a plugin is deactivated network wide.
169	*
170	* @since 2.9
171	**/
172	public function deactivate() {
173	// Only fire if in network admin.
174	if ( ! is_network_admin() ) {
175	return;
176	}
177
178	$sites = get_sites();
179
180	foreach ( $sites as $s ) {
181	switch_to_blog( $s->blog_id );
182	$active_plugins = get_option( 'active_plugins' );
183
184	/*
185	* If this plugin was activated in the subsite individually
186	* we do not want to call disconnect. Plugins activated
187	* individually (before network activation) stay activated
188	* when the network deactivation occurs
189	*/
190	if ( ! in_array( 'jetpack/jetpack.php', $active_plugins, true ) ) {
191	Jetpack::disconnect();
192	Jetpack_Options::delete_option( 'version' );
193	}
194	restore_current_blog();
195	}
196	}
197
198	/**
199	* Adds a link to the Jetpack Network Admin page in the network admin menu bar.
200	*
201	* @since 2.9
202	**/
203	public function add_to_menubar() {
204	global $wp_admin_bar;
205	// Don't show for logged out users or single site mode.
206	if ( ! is_user_logged_in() \|\| ! is_multisite() ) {
207	return;
208	}
209
210	$wp_admin_bar->add_node(
211	array(
212	'parent' => 'network-admin',
213	'id' => 'network-admin-jetpack',
214	'title' => 'Jetpack',
215	'href' => $this->get_url( 'network_admin_page' ),
216	)
217	);
218	}
219
220	/**
221	* Returns various URL strings. Factory like
222	*
223	* $args can be a string or an array.
224	* If $args is an array there must be an element called name for the switch statement
225	*
226	* Currently supports:
227	* - subsiteregister: Pass array( 'name' => 'subsiteregister', 'site_id' => SITE_ID )
228	* - network_admin_page: Provides link to /wp-admin/network/JETPACK
229	* - subsitedisconnect: Pass array( 'name' => 'subsitedisconnect', 'site_id' => SITE_ID )
230	*
231	* @since 2.9
232	*
233	* @param Mixed $args URL parameters.
234	*
235	* @return String
236	**/
237	public function get_url( $args ) {
238	$url = null; // Default url value.
239
240	if ( is_string( $args ) ) {
241	$name = $args;
242	} elseif ( is_array( $args ) ) {
243	$name = $args['name'];
244	} else {
245	return $url;
246	}
247
248	switch ( $name ) {
249	case 'subsiteregister':
250	if ( ! isset( $args['site_id'] ) ) {
251	break; // If there is not a site id present we cannot go further.
252	}
253	$url = network_admin_url(
254	'admin.php?page=jetpack&action=subsiteregister&site_id='
255	. $args['site_id']
256	);
257	break;
258
259	case 'network_admin_page':
260	$url = network_admin_url( 'admin.php?page=jetpack' );
261	break;
262
263	case 'subsitedisconnect':
264	if ( ! isset( $args['site_id'] ) ) {
265	break; // If there is not a site id present we cannot go further.
266	}
267	$url = network_admin_url(
268	'admin.php?page=jetpack&action=subsitedisconnect&site_id='
269	. $args['site_id']
270	);
271	break;
272	}
273
274	return $url;
275	}
276
277	/**
278	* Adds the Jetpack menu item to the Network Admin area
279	*
280	* @since 2.9
281	*/
282	public function add_network_admin_menu() {
283	add_menu_page( 'Jetpack', 'Jetpack', 'jetpack_network_admin_page', 'jetpack', array( $this, 'wrap_network_admin_page' ), 'div', 3 );
284	$jetpack_sites_page_hook = add_submenu_page( 'jetpack', __( 'Jetpack Sites', 'jetpack' ), __( 'Sites', 'jetpack' ), 'jetpack_network_sites_page', 'jetpack', array( $this, 'wrap_network_admin_page' ) );
285	$jetpack_settings_page_hook = add_submenu_page( 'jetpack', __( 'Settings', 'jetpack' ), __( 'Settings', 'jetpack' ), 'jetpack_network_settings_page', 'jetpack-settings', array( $this, 'wrap_render_network_admin_settings_page' ) );
286	add_action( "admin_print_styles-$jetpack_sites_page_hook", array( 'Jetpack_Admin_Page', 'load_wrapper_styles' ) );
287	add_action( "admin_print_styles-$jetpack_settings_page_hook", array( 'Jetpack_Admin_Page', 'load_wrapper_styles' ) );
288	/**
289	* As jetpack_register_genericons is by default fired off a hook,
290	* the hook may have already fired by this point.
291	* So, let's just trigger it manually.
292	*/
293	require_once JETPACK__PLUGIN_DIR . '_inc/genericons.php';
294	jetpack_register_genericons();
295
296	if ( ! wp_style_is( 'jetpack-icons', 'registered' ) ) {
297	wp_register_style( 'jetpack-icons', plugins_url( 'css/jetpack-icons.min.css', JETPACK__PLUGIN_FILE ), false, JETPACK__VERSION );
298	}
299
300	add_action( 'admin_enqueue_scripts', array( $this, 'admin_menu_css' ) );
301	}
302
303	/**
304	* Adds JP menu icon
305	*
306	* @since 2.9
307	**/
308	public function admin_menu_css() {
309	wp_enqueue_style( 'jetpack-icons' );
310	}
311
312	/**
313	* Provides functionality for the Jetpack > Sites page.
314	* Does not do the display!
315	*
316	* @since 2.9
317	*/
318	public function jetpack_sites_list() {
319	Jetpack::init();
320
321	if ( isset( $_GET['action'] ) ) {
322	switch ( $_GET['action'] ) {
323	case 'subsiteregister':
324	check_admin_referer( 'jetpack-subsite-register' );
325	Jetpack::log( 'subsiteregister' );
326
327	// If no site_id, stop registration and error.
328	if ( ! isset( $_GET['site_id'] ) \|\| empty( $_GET['site_id'] ) ) {
329	/**
330	* Log error to state cookie for display later.
331	*
332	* @todo Make state messages show on Jetpack NA pages
333	*/
334	Jetpack::state( 'missing_site_id', esc_html__( 'Site ID must be provided to register a sub-site.', 'jetpack' ) );
335	break;
336	}
337
338	// Send data to register endpoint and retrieve shadow blog details.
339	$result = $this->do_subsiteregister();
340	$url = $this->get_url( 'network_admin_page' );
341
342	if ( is_wp_error( $result ) ) {
343	$url = add_query_arg( 'action', 'connection_failed', $url );
344	} else {
345	$url = add_query_arg( 'action', 'connected', $url );
346	}
347
348	wp_safe_redirect( $url );
349	exit;
350
351	case 'subsitedisconnect':
352	check_admin_referer( 'jetpack-subsite-disconnect' );
353	Jetpack::log( 'subsitedisconnect' );
354
355	if ( ! isset( $_GET['site_id'] ) \|\| empty( $_GET['site_id'] ) ) {
356	Jetpack::state( 'missing_site_id', esc_html__( 'Site ID must be provided to disconnect a sub-site.', 'jetpack' ) );
357	break;
358	}
359
360	$this->do_subsitedisconnect();
361	break;
362
363	case 'connected':
364	case 'connection_failed':
365	add_action( 'jetpack_notices', array( $this, 'show_jetpack_notice' ) );
366	break;
367	}
368	}
369	}
370
371	/**
372	* Set the disconnect capability for multisite.
373	*
374	* @param array $caps The capabilities array.
375	*/
376	public function set_multisite_disconnect_cap( $caps ) {
377	// Can individual site admins manage their own connection?
378	if ( ! is_super_admin() && ! $this->get_option( 'sub-site-connection-override' ) ) {
379	/*
380	* We need to update the option name -- it's terribly unclear which
381	* direction the override goes.
382	*
383	* @todo: Update the option name to `sub-sites-can-manage-own-connections`
384	*/
385	return array( 'do_not_allow' );
386	}
387
388	return $caps;
389	}
390
391	/**
392	* Shows the Jetpack plugin notices.
393	*/
394	public function show_jetpack_notice() {
395	if ( isset( $_GET['action'] ) && 'connected' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is view logic.
396	$notice = __( 'Site successfully connected.', 'jetpack' );
397	$classname = 'updated';
398	} elseif ( isset( $_GET['action'] ) && 'connection_failed' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is view logic.
399	$notice = __( 'Site connection failed!', 'jetpack' );
400	$classname = 'error';
401	}
402	?>
403	<div id="message" class="<?php echo esc_attr( $classname ); ?> jetpack-message jp-connect" style="display:block !important;">
404	<p><?php echo esc_html( $notice ); ?></p>
405	</div>
406	<?php
407	}
408
409	/**
410	* Disconnect functionality for an individual site
411	*
412	* @since 2.9
413	* @see Jetpack_Network::jetpack_sites_list()
414	*
415	* @param int $site_id the site identifier.
416	*/
417	public function do_subsitedisconnect( $site_id = null ) {
418	if ( ! current_user_can( 'jetpack_disconnect' ) ) {
419	return;
420	}
421	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Caller (i.e. `$this->jetpack_sites_list()`) should check.
422	$site_id = ( $site_id === null ) ? ( isset( $_GET['site_id'] ) ? (int) $_GET['site_id'] : null ) : $site_id;
423	switch_to_blog( $site_id );
424	Jetpack::disconnect();
425	restore_current_blog();
426	}
427
428	/**
429	* Registers a subsite with the Jetpack servers
430	*
431	* @since 2.9
432	* @todo Break apart into easier to manage chunks that can be unit tested
433	* @see Jetpack_Network::jetpack_sites_list();
434	*
435	* @param int $site_id the site identifier.
436	*/
437	public function do_subsiteregister( $site_id = null ) {
438	if ( ! current_user_can( 'jetpack_disconnect' ) ) {
439	return;
440	}
441
442	if ( ( new Status() )->is_offline_mode() ) {
443	return;
444	}
445
446	// Figure out what site we are working on.
447	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Caller (i.e. `$this->jetpack_sites_list()`) should check.
448	$site_id = ( $site_id === null ) ? ( isset( $_GET['site_id'] ) ? (int) $_GET['site_id'] : null ) : $site_id;
449
450	/*
451	* Here we need to switch to the subsite
452	* For the registration process we really only hijack how it
453	* works for an individual site and pass in some extra data here
454	*/
455	switch_to_blog( $site_id );
456
457	add_filter( 'jetpack_register_request_body', array( $this, 'filter_register_request_body' ) );
458	add_action( 'jetpack_site_registered_user_token', array( $this, 'filter_register_user_token' ) );
459
460	// Save the secrets in the subsite so when the wpcom server does a pingback it
461	// will be able to validate the connection.
462	$result = $this->connection->register( 'subsiteregister' );
463
464	if ( is_wp_error( $result ) \|\| ! $result ) {
465	restore_current_blog();
466	return $result;
467	}
468
469	Jetpack::activate_default_modules( false, false, array(), false );
470
471	restore_current_blog();
472	}
473
474	/**
475	* Receives the registration response token.
476	*
477	* @param Object $token the received token.
478	*/
479	public function filter_register_user_token( $token ) {
480	$is_connection_owner = ! $this->connection->has_connected_owner();
481	( new Tokens() )->update_user_token(
482	get_current_user_id(),
483	sprintf( '%s.%d', $token->secret, get_current_user_id() ),
484	$is_connection_owner
485	);
486	}
487
488	/**
489	* Filters the registration request body to include additional properties.
490	*
491	* @param array $properties standard register request body properties.
492	* @return array amended properties.
493	*/
494	public function filter_register_request_body( $properties ) {
495	$blog_details = get_blog_details();
496
497	$network = get_network();
498
499	switch_to_blog( $network->blog_id );
500	// The blog id on WordPress.com of the primary network site.
501	$network_wpcom_blog_id = Jetpack_Options::get_option( 'id' );
502	restore_current_blog();
503
504	/**
505	* Both `state` and `user_id` need to be sent in the request, even though they are the same value.
506	* Connecting via the network admin combines `register()` and `authorize()` methods into one step,
507	* because we assume the main site is already authorized. `state` is used to verify the `register()`
508	* request, while `user_id()` is used to create the token in the `authorize()` request.
509	*/
510	return array_merge(
511	$properties,
512	array(
513	'network_url' => $this->get_url( 'network_admin_page' ),
514	'network_wpcom_blog_id' => $network_wpcom_blog_id,
515	'user_id' => get_current_user_id(),
516
517	/*
518	* Use the subsite's registration date as the site creation date.
519	*
520	* This is in contrast to regular standalone sites, where we use the helper
521	* `Jetpack::get_assumed_site_creation_date()` to assume the site's creation date.
522	*/
523	'site_created' => $blog_details->registered,
524	)
525	);
526	}
527
528	/**
529	* A hook handler for adding admin pages and subpages.
530	*/
531	public function wrap_network_admin_page() {
532	Jetpack_Admin_Page::wrap_ui( array( $this, 'network_admin_page' ) );
533	}
534
535	/**
536	* Handles the displaying of all sites on the network that are
537	* dis/connected to Jetpack
538	*
539	* @since 2.9
540	* @see Jetpack_Network::jetpack_sites_list()
541	*/
542	public function network_admin_page() {
543	global $current_site;
544	$this->network_admin_page_header();
545
546	$jp = Jetpack::init();
547
548	// We should be, but ensure we are on the main blog.
549	switch_to_blog( $current_site->blog_id );
550	$main_active = $jp->is_connection_ready();
551	restore_current_blog();
552
553	// If we are in dev mode, just show the notice and bail.
554	if ( ( new Status() )->is_offline_mode() ) {
555	Jetpack::show_development_mode_notice();
556	return;
557	}
558
559	/*
560	* Ensure the main blog is connected as all other subsite blog
561	* connections will feed off this one
562	*/
563	if ( ! $main_active ) {
564	$data = array( 'url' => $jp->build_connect_url() );
565	Jetpack::init()->load_view( 'admin/must-connect-main-blog.php', $data );
566
567	return;
568	}
569
570	require_once __DIR__ . '/class.jetpack-network-sites-list-table.php';
571
572	$network_sites_table = new Jetpack_Network_Sites_List_Table();
573	echo '<div class="wrap"><h2>' . esc_html__( 'Sites', 'jetpack' ) . '</h2>';
574	echo '<form method="post">';
575	$network_sites_table->prepare_items();
576	$network_sites_table->display();
577	echo '</form></div>';
578	}
579
580	/**
581	* Stylized JP header formatting
582	*
583	* @since 2.9
584	*/
585	public function network_admin_page_header() {
586	$is_connected = Jetpack::is_connection_ready();
587
588	$data = array(
589	'is_connected' => $is_connected,
590	);
591	Jetpack::init()->load_view( 'admin/network-admin-header.php', $data );
592	}
593
594	/**
595	* Fires when the Jetpack > Settings page is saved.
596	*
597	* @since 2.9
598	*/
599	public function save_network_settings_page() {
600
601	if ( ! isset( $_POST['_wpnonce'] ) \|\| ! wp_verify_nonce( $_POST['_wpnonce'], 'jetpack-network-settings' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
602	// No nonce, push back to settings page.
603	wp_safe_redirect(
604	add_query_arg(
605	array( 'page' => 'jetpack-settings' ),
606	network_admin_url( 'admin.php' )
607	)
608	);
609	exit();
610	}
611
612	// Try to save the Protect allow list before anything else, since that action can result in errors.
613	$allow_list = isset( $_POST['global-allow-list'] ) ? filter_var( wp_unslash( $_POST['global-allow-list'] ) ) : '';
614	$allow_list = str_replace( ' ', '', $allow_list );
615	$allow_list = explode( PHP_EOL, $allow_list );
616	$result = Brute_Force_Protection_Shared_Functions::save_allow_list( $allow_list, true );
617	if ( is_wp_error( $result ) ) {
618	wp_safe_redirect(
619	add_query_arg(
620	array(
621	'page' => 'jetpack-settings',
622	'error' => 'jetpack_protect_whitelist',
623	),
624	network_admin_url( 'admin.php' )
625	)
626	);
627	exit();
628	}
629
630	/*
631	* Fields
632	*
633	* auto-connect - Checkbox for global Jetpack connection
634	* sub-site-connection-override - Allow sub-site admins to (dis)reconnect with their own Jetpack account
635	*/
636	$auto_connect = 0;
637	if ( isset( $_POST['auto-connect'] ) ) {
638	$auto_connect = 1;
639	}
640
641	$sub_site_connection_override = 0;
642	if ( isset( $_POST['sub-site-connection-override'] ) ) {
643	$sub_site_connection_override = 1;
644	}
645
646	$data = array(
647	'auto-connect' => $auto_connect,
648	'sub-site-connection-override' => $sub_site_connection_override,
649	);
650
651	update_site_option( $this->settings_name, $data );
652	wp_safe_redirect(
653	add_query_arg(
654	array(
655	'page' => 'jetpack-settings',
656	'updated' => 'true',
657	),
658	network_admin_url( 'admin.php' )
659	)
660	);
661	exit();
662	}
663
664	/**
665	* A hook handler for adding admin pages and subpages.
666	*/
667	public function wrap_render_network_admin_settings_page() {
668	Jetpack_Admin_Page::wrap_ui( array( $this, 'render_network_admin_settings_page' ) );
669	}
670
671	/**
672	* A hook rendering the admin settings page.
673	*/
674	public function render_network_admin_settings_page() {
675	$this->network_admin_page_header();
676	$options = wp_parse_args( get_site_option( $this->settings_name ), $this->setting_defaults );
677
678	$modules = array();
679	$module_slugs = Jetpack::get_available_modules();
680	foreach ( $module_slugs as $slug ) {
681	$module = Jetpack::get_module( $slug );
682	$module['module'] = $slug;
683	$modules[] = $module;
684	}
685
686	usort( $modules, array( 'Jetpack', 'sort_modules' ) );
687
688	if ( ! isset( $options['modules'] ) ) {
689	$options['modules'] = $modules;
690	}
691
692	$data = array(
693	'modules' => $modules,
694	'options' => $options,
695	'jetpack_protect_whitelist' => Brute_Force_Protection_Shared_Functions::format_allow_list(),
696	);
697
698	Jetpack::init()->load_view( 'admin/network-settings.php', $data );
699	}
700
701	/**
702	* Updates a site wide option
703	*
704	* @since 2.9
705	*
706	* @param string $key option name.
707	* @param mixed $value option value.
708	*
709	* @return boolean
710	**/
711	public function update_option( $key, $value ) {
712	$options = get_site_option( $this->settings_name, $this->setting_defaults );
713	$options[ $key ] = $value;
714
715	return update_site_option( $this->settings_name, $options );
716	}
717
718	/**
719	* Retrieves a site wide option
720	*
721	* @since 2.9
722	*
723	* @param string $name - Name of the option in the database.
724	**/
725	public function get_option( $name ) {
726	$options = get_site_option( $this->settings_name, $this->setting_defaults );
727	$options = wp_parse_args( $options, $this->setting_defaults );
728
729	if ( ! isset( $options[ $name ] ) ) {
730	$options[ $name ] = null;
731	}
732
733	return $options[ $name ];
734	}
735	}
736