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Jetpack – WP Security, Backup, Speed, & Growth / 9.4
Jetpack – WP Security, Backup, Speed, & Growth v9.4
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jetpack / class.jetpack-network.php

class.jetpack-network.php in Jetpack – WP Security, Backup, Speed, & Growth 9.4, at 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 jetpack
6 */
7
8 use Automattic\Jetpack\Connection\Client;
9 use Automattic\Jetpack\Connection\Manager;
10 use Automattic\Jetpack\Connection\Utils as Connection_Utils;
11 use Automattic\Jetpack\Constants;
12 use Automattic\Jetpack\Status;
13
14 /**
15 * Used to manage Jetpack installation on Multisite Network installs
16 *
17 * SINGLETON: To use call Jetpack_Network::init()
18 *
19 * DO NOT USE ANY STATIC METHODS IN THIS CLASS!!!!!!
20 *
21 * @since 2.9
22 */
23 class Jetpack_Network {
24
25 /**
26 * Holds a static copy of Jetpack_Network for the singleton
27 *
28 * @since 2.9
29 * @var Jetpack_Network
30 */
31 private static $instance = null;
32
33 /**
34 * An instance of the connection manager object.
35 *
36 * @since 7.7
37 * @var Automattic\Jetpack\Connection\Manager
38 */
39 private $connection;
40
41 /**
42 * Name of the network wide settings
43 *
44 * @since 2.9
45 * @var string
46 */
47 private $settings_name = 'jetpack-network-settings';
48
49 /**
50 * Defaults for settings found on the Jetpack > Settings page
51 *
52 * @since 2.9
53 * @var array
54 */
55 private $setting_defaults = array(
56 'auto-connect' => 0,
57 'sub-site-connection-override' => 1,
58 );
59
60 /**
61 * Constructor
62 *
63 * @since 2.9
64 */
65 private function __construct() {
66 require_once ABSPATH . '/wp-admin/includes/plugin.php'; // For the is_plugin... check.
67 require_once JETPACK__PLUGIN_DIR . 'modules/protect/shared-functions.php'; // For managing the global whitelist.
68
69 /**
70 * Sanity check to ensure the install is Multisite and we
71 * are in Network Admin
72 */
73 if ( is_multisite() && is_network_admin() ) {
74 add_action( 'network_admin_menu', array( $this, 'add_network_admin_menu' ) );
75 add_action( 'network_admin_edit_jetpack-network-settings', array( $this, 'save_network_settings_page' ), 10, 0 );
76 add_filter( 'admin_body_class', array( $this, 'body_class' ) );
77
78 if ( isset( $_GET['page'] ) && 'jetpack' == $_GET['page'] ) {
79 add_action( 'admin_init', array( $this, 'jetpack_sites_list' ) );
80 }
81 }
82
83 /*
84 * Things that should only run on multisite
85 */
86 if ( is_multisite() && is_plugin_active_for_network( 'jetpack/jetpack.php' ) ) {
87 add_action( 'wp_before_admin_bar_render', array( $this, 'add_to_menubar' ) );
88 add_filter( 'jetpack_disconnect_cap', array( $this, 'set_multisite_disconnect_cap' ) );
89
90 /*
91 * If admin wants to automagically register new sites set the hook here
92 *
93 * This is a hacky way because xmlrpc is not available on wp_initialize_site
94 */
95 if ( 1 === $this->get_option( 'auto-connect' ) ) {
96 add_action( 'wp_initialize_site', array( $this, 'do_automatically_add_new_site' ) );
97 }
98 }
99 }
100
101 /**
102 * Sets a connection object.
103 *
104 * @param Automattic\Jetpack\Connection\Manager $connection the connection manager object.
105 */
106 public function set_connection( Manager $connection ) {
107 $this->connection = $connection;
108 }
109
110 /**
111 * Sets which modules get activated by default on subsite connection.
112 * Modules can be set in Network Admin > Jetpack > Settings
113 *
114 * @since 2.9
115 * @deprecated since 7.7.0
116 *
117 * @param array $modules List of modules.
118 */
119 public function set_auto_activated_modules( $modules ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
120 _deprecated_function( __METHOD__, 'jetpack-7.7' );
121 }
122
123 /**
124 * Registers new sites upon creation
125 *
126 * @since 2.9
127 * @since 7.4.0 Uses a WP_Site object.
128 * @uses wp_initialize_site
129 *
130 * @param WP_Site $site the WordPress site object.
131 **/
132 public function do_automatically_add_new_site( $site ) {
133 if ( is_a( $site, 'WP_Site' ) ) {
134 $this->do_subsiteregister( $site->id );
135 }
136 }
137
138 /**
139 * Adds .network-admin class to the body tag
140 * Helps distinguish network admin JP styles from regular site JP styles
141 *
142 * @since 2.9
143 *
144 * @param String $classes current assigned body classes.
145 * @return String amended class string.
146 */
147 public function body_class( $classes ) {
148 return trim( $classes ) . ' network-admin ';
149 }
150
151 /**
152 * Provides access to an instance of Jetpack_Network
153 *
154 * This is how the Jetpack_Network object should *always* be accessed
155 *
156 * @since 2.9
157 * @return Jetpack_Network
158 */
159 public static function init() {
160 if ( ! self::$instance || ! is_a( self::$instance, 'Jetpack_Network' ) ) {
161 self::$instance = new Jetpack_Network();
162 }
163
164 return self::$instance;
165 }
166
167 /**
168 * Registers the Multisite admin bar menu item shortcut.
169 * This shortcut helps users quickly and easily navigate to the Jetpack Network Admin
170 * menu from anywhere in their network.
171 *
172 * @since 2.9
173 */
174 public function register_menubar() {
175 add_action( 'wp_before_admin_bar_render', array( $this, 'add_to_menubar' ) );
176 }
177
178 /**
179 * Runs when Jetpack is deactivated from the network admin plugins menu.
180 * Each individual site will need to have Jetpack::disconnect called on it.
181 * Site that had Jetpack individually enabled will not be disconnected as
182 * on Multisite individually activated plugins are still activated when
183 * a plugin is deactivated network wide.
184 *
185 * @since 2.9
186 **/
187 public function deactivate() {
188 // Only fire if in network admin.
189 if ( ! is_network_admin() ) {
190 return;
191 }
192
193 $sites = get_sites();
194
195 foreach ( $sites as $s ) {
196 switch_to_blog( $s->blog_id );
197 $active_plugins = get_option( 'active_plugins' );
198
199 /*
200 * If this plugin was activated in the subsite individually
201 * we do not want to call disconnect. Plugins activated
202 * individually (before network activation) stay activated
203 * when the network deactivation occurs
204 */
205 if ( ! in_array( 'jetpack/jetpack.php', $active_plugins, true ) ) {
206 Jetpack::disconnect();
207 }
208 restore_current_blog();
209 }
210
211 }
212
213 /**
214 * Adds a link to the Jetpack Network Admin page in the network admin menu bar.
215 *
216 * @since 2.9
217 **/
218 public function add_to_menubar() {
219 global $wp_admin_bar;
220 // Don't show for logged out users or single site mode.
221 if ( ! is_user_logged_in() || ! is_multisite() ) {
222 return;
223 }
224
225 $wp_admin_bar->add_node(
226 array(
227 'parent' => 'network-admin',
228 'id' => 'network-admin-jetpack',
229 'title' => 'Jetpack',
230 'href' => $this->get_url( 'network_admin_page' ),
231 )
232 );
233 }
234
235 /**
236 * Returns various URL strings. Factory like
237 *
238 * $args can be a string or an array.
239 * If $args is an array there must be an element called name for the switch statement
240 *
241 * Currently supports:
242 * - subsiteregister: Pass array( 'name' => 'subsiteregister', 'site_id' => SITE_ID )
243 * - network_admin_page: Provides link to /wp-admin/network/JETPACK
244 * - subsitedisconnect: Pass array( 'name' => 'subsitedisconnect', 'site_id' => SITE_ID )
245 *
246 * @since 2.9
247 *
248 * @param Mixed $args URL parameters.
249 *
250 * @return String
251 **/
252 public function get_url( $args ) {
253 $url = null; // Default url value.
254
255 if ( is_string( $args ) ) {
256 $name = $args;
257 } else if ( is_array( $args ) ) {
258 $name = $args['name'];
259 } else {
260 return $url;
261 }
262
263 switch ( $name ) {
264 case 'subsiteregister':
265 if ( ! isset( $args['site_id'] ) ) {
266 break; // If there is not a site id present we cannot go further.
267 }
268 $url = network_admin_url(
269 'admin.php?page=jetpack&action=subsiteregister&site_id='
270 . $args['site_id']
271 );
272 break;
273
274 case 'network_admin_page':
275 $url = network_admin_url( 'admin.php?page=jetpack' );
276 break;
277
278 case 'subsitedisconnect':
279 if ( ! isset( $args['site_id'] ) ) {
280 break; // If there is not a site id present we cannot go further.
281 }
282 $url = network_admin_url(
283 'admin.php?page=jetpack&action=subsitedisconnect&site_id='
284 . $args['site_id']
285 );
286 break;
287 }
288
289 return $url;
290 }
291
292 /**
293 * Adds the Jetpack menu item to the Network Admin area
294 *
295 * @since 2.9
296 */
297 public function add_network_admin_menu() {
298 add_menu_page( 'Jetpack', 'Jetpack', 'jetpack_network_admin_page', 'jetpack', array( $this, 'wrap_network_admin_page' ), 'div', 3 );
299 $jetpack_sites_page_hook = add_submenu_page( 'jetpack', __( 'Jetpack Sites', 'jetpack' ), __( 'Sites', 'jetpack' ), 'jetpack_network_sites_page', 'jetpack', array( $this, 'wrap_network_admin_page' ) );
300 $jetpack_settings_page_hook = add_submenu_page( 'jetpack', __( 'Settings', 'jetpack' ), __( 'Settings', 'jetpack' ), 'jetpack_network_settings_page', 'jetpack-settings', array( $this, 'wrap_render_network_admin_settings_page' ) );
301 add_action( "admin_print_styles-$jetpack_sites_page_hook", array( 'Jetpack_Admin_Page', 'load_wrapper_styles' ) );
302 add_action( "admin_print_styles-$jetpack_settings_page_hook", array( 'Jetpack_Admin_Page', 'load_wrapper_styles' ) );
303 /**
304 * As jetpack_register_genericons is by default fired off a hook,
305 * the hook may have already fired by this point.
306 * So, let's just trigger it manually.
307 */
308 require_once JETPACK__PLUGIN_DIR . '_inc/genericons.php';
309 jetpack_register_genericons();
310
311 if ( ! wp_style_is( 'jetpack-icons', 'registered' ) ) {
312 wp_register_style( 'jetpack-icons', plugins_url( 'css/jetpack-icons.min.css', JETPACK__PLUGIN_FILE ), false, JETPACK__VERSION );
313 }
314
315 add_action( 'admin_enqueue_scripts', array( $this, 'admin_menu_css' ) );
316 }
317
318 /**
319 * Adds JP menu icon
320 *
321 * @since 2.9
322 **/
323 public function admin_menu_css() {
324 wp_enqueue_style( 'jetpack-icons' );
325 }
326
327 /**
328 * Provides functionality for the Jetpack > Sites page.
329 * Does not do the display!
330 *
331 * @since 2.9
332 */
333 public function jetpack_sites_list() {
334 Jetpack::init();
335
336 if ( isset( $_GET['action'] ) ) {
337 switch ( $_GET['action'] ) {
338 case 'subsiteregister':
339 /**
340 * Add actual referrer checking.
341 *
342 * @todo check_admin_referer( 'jetpack-subsite-register' );
343 */
344 Jetpack::log( 'subsiteregister' );
345
346 // If !$_GET['site_id'] stop registration and error.
347 if ( ! isset( $_GET['site_id'] ) || empty( $_GET['site_id'] ) ) {
348 /**
349 * Log error to state cookie for display later.
350 *
351 * @todo Make state messages show on Jetpack NA pages
352 */
353 Jetpack::state( 'missing_site_id', esc_html__( 'Site ID must be provided to register a sub-site.', 'jetpack' ) );
354 break;
355 }
356
357 // Send data to register endpoint and retrieve shadow blog details.
358 $result = $this->do_subsiteregister();
359 $url = $this->get_url( 'network_admin_page' );
360
361 if ( is_wp_error( $result ) ) {
362 $url = add_query_arg( 'action', 'connection_failed', $url );
363 } else {
364 $url = add_query_arg( 'action', 'connected', $url );
365 }
366
367 wp_safe_redirect( $url );
368 exit;
369
370 case 'subsitedisconnect':
371 Jetpack::log( 'subsitedisconnect' );
372
373 if ( ! isset( $_GET['site_id'] ) || empty( $_GET['site_id'] ) ) {
374 Jetpack::state( 'missing_site_id', esc_html__( 'Site ID must be provided to disconnect a sub-site.', 'jetpack' ) );
375 break;
376 }
377
378 $this->do_subsitedisconnect();
379 break;
380
381 case 'connected':
382 case 'connection_failed':
383 add_action( 'jetpack_notices', array( $this, 'show_jetpack_notice' ) );
384 break;
385 }
386 }
387 }
388
389 /**
390 * Set the disconnect capability for multisite.
391 *
392 * @param array $caps The capabilities array.
393 */
394 public function set_multisite_disconnect_cap( $caps ) {
395 // Can individual site admins manage their own connection?
396 if ( ! is_super_admin() && ! $this->get_option( 'sub-site-connection-override' ) ) {
397 /*
398 * We need to update the option name -- it's terribly unclear which
399 * direction the override goes.
400 *
401 * @todo: Update the option name to `sub-sites-can-manage-own-connections`
402 */
403 return array( 'do_not_allow' );
404 }
405
406 return $caps;
407 }
408
409 /**
410 * Shows the Jetpack plugin notices.
411 */
412 public function show_jetpack_notice() {
413 if ( isset( $_GET['action'] ) && 'connected' == $_GET['action'] ) {
414 $notice = __( 'Site successfully connected.', 'jetpack' );
415 $classname = 'updated';
416 } elseif ( isset( $_GET['action'] ) && 'connection_failed' == $_GET['action'] ) {
417 $notice = __( 'Site connection failed!', 'jetpack' );
418 $classname = 'error';
419 }
420 ?>
421 <div id="message" class="<?php echo esc_attr( $classname ); ?> jetpack-message jp-connect" style="display:block !important;">
422 <p><?php echo esc_html( $notice ); ?></p>
423 </div>
424 <?php
425 }
426
427 /**
428 * Disconnect functionality for an individual site
429 *
430 * @since 2.9
431 * @see Jetpack_Network::jetpack_sites_list()
432 *
433 * @param int $site_id the site identifier.
434 */
435 public function do_subsitedisconnect( $site_id = null ) {
436 if ( ! current_user_can( 'jetpack_disconnect' ) ) {
437 return;
438 }
439 $site_id = ( is_null( $site_id ) ) ? $_GET['site_id'] : $site_id;
440 switch_to_blog( $site_id );
441 Jetpack::disconnect();
442 restore_current_blog();
443 }
444
445 /**
446 * Registers a subsite with the Jetpack servers
447 *
448 * @since 2.9
449 * @todo Break apart into easier to manage chunks that can be unit tested
450 * @see Jetpack_Network::jetpack_sites_list();
451 *
452 * @param int $site_id the site identifier.
453 */
454 public function do_subsiteregister( $site_id = null ) {
455 if ( ! current_user_can( 'jetpack_disconnect' ) ) {
456 return;
457 }
458
459 if ( ( new Status() )->is_offline_mode() ) {
460 return;
461 }
462
463 // Figure out what site we are working on.
464 $site_id = ( is_null( $site_id ) ) ? $_GET['site_id'] : $site_id;
465
466 /*
467 * Here we need to switch to the subsite
468 * For the registration process we really only hijack how it
469 * works for an individual site and pass in some extra data here
470 */
471 switch_to_blog( $site_id );
472
473 add_filter( 'jetpack_register_request_body', array( $this, 'filter_register_request_body' ) );
474 add_action( 'jetpack_site_registered_user_token', array( $this, 'filter_register_user_token' ) );
475
476 // Save the secrets in the subsite so when the wpcom server does a pingback it
477 // will be able to validate the connection.
478 $result = $this->connection->register( 'subsiteregister' );
479
480 if ( is_wp_error( $result ) || ! $result ) {
481 restore_current_blog();
482 return $result;
483 }
484
485 Jetpack::activate_default_modules( false, false, array(), false );
486
487 restore_current_blog();
488 }
489
490 /**
491 * Receives the registration response token.
492 *
493 * @param Object $token the received token.
494 */
495 public function filter_register_user_token( $token ) {
496 $is_master_user = ! Jetpack::is_active();
497 Connection_Utils::update_user_token(
498 get_current_user_id(),
499 sprintf( '%s.%d', $token->secret, get_current_user_id() ),
500 $is_master_user
501 );
502 }
503
504 /**
505 * Filters the registration request body to include additional properties.
506 *
507 * @param array $properties standard register request body properties.
508 * @return array amended properties.
509 */
510 public function filter_register_request_body( $properties ) {
511 $blog_details = get_blog_details();
512
513 $network = get_network();
514
515 switch_to_blog( $network->blog_id );
516 // The blog id on WordPress.com of the primary network site.
517 $network_wpcom_blog_id = Jetpack_Options::get_option( 'id' );
518 restore_current_blog();
519
520 /**
521 * Both `state` and `user_id` need to be sent in the request, even though they are the same value.
522 * Connecting via the network admin combines `register()` and `authorize()` methods into one step,
523 * because we assume the main site is already authorized. `state` is used to verify the `register()`
524 * request, while `user_id()` is used to create the token in the `authorize()` request.
525 */
526 return array_merge(
527 $properties,
528 array(
529 'network_url' => $this->get_url( 'network_admin_page' ),
530 'network_wpcom_blog_id' => $network_wpcom_blog_id,
531 'user_id' => get_current_user_id(),
532
533 /*
534 * Use the subsite's registration date as the site creation date.
535 *
536 * This is in contrast to regular standalone sites, where we use the helper
537 * `Jetpack::get_assumed_site_creation_date()` to assume the site's creation date.
538 */
539 'site_created' => $blog_details->registered,
540 )
541 );
542 }
543
544 /**
545 * A hook handler for adding admin pages and subpages.
546 */
547 public function wrap_network_admin_page() {
548 Jetpack_Admin_Page::wrap_ui( array( $this, 'network_admin_page' ) );
549 }
550
551 /**
552 * Handles the displaying of all sites on the network that are
553 * dis/connected to Jetpack
554 *
555 * @since 2.9
556 * @see Jetpack_Network::jetpack_sites_list()
557 */
558 public function network_admin_page() {
559 global $current_site;
560 $this->network_admin_page_header();
561
562 $jp = Jetpack::init();
563
564 // We should be, but ensure we are on the main blog.
565 switch_to_blog( $current_site->blog_id );
566 $main_active = $jp->is_active();
567 restore_current_blog();
568
569 // If we are in dev mode, just show the notice and bail.
570 if ( ( new Status() )->is_offline_mode() ) {
571 Jetpack::show_development_mode_notice();
572 return;
573 }
574
575 /*
576 * Ensure the main blog is connected as all other subsite blog
577 * connections will feed off this one
578 */
579 if ( ! $main_active ) {
580 $url = $this->get_url(
581 array(
582 'name' => 'subsiteregister',
583 'site_id' => 1,
584 )
585 );
586 $data = array( 'url' => $jp->build_connect_url() );
587 Jetpack::init()->load_view( 'admin/must-connect-main-blog.php', $data );
588
589 return;
590 }
591
592 require_once 'class.jetpack-network-sites-list-table.php';
593
594 $network_sites_table = new Jetpack_Network_Sites_List_Table();
595 echo '<div class="wrap"><h2>' . esc_html__( 'Sites', 'jetpack' ) . '</h2>';
596 echo '<form method="post">';
597 $network_sites_table->prepare_items();
598 $network_sites_table->display();
599 echo '</form></div>';
600
601 }
602
603 /**
604 * Stylized JP header formatting
605 *
606 * @since 2.9
607 */
608 public function network_admin_page_header() {
609 $is_connected = Jetpack::is_active();
610
611 $data = array(
612 'is_connected' => $is_connected,
613 );
614 Jetpack::init()->load_view( 'admin/network-admin-header.php', $data );
615 }
616
617 /**
618 * Fires when the Jetpack > Settings page is saved.
619 *
620 * @since 2.9
621 */
622 public function save_network_settings_page() {
623
624 if ( ! wp_verify_nonce( $_POST['_wpnonce'], 'jetpack-network-settings' ) ) {
625 // No nonce, push back to settings page.
626 wp_safe_redirect(
627 add_query_arg(
628 array( 'page' => 'jetpack-settings' ),
629 network_admin_url( 'admin.php' )
630 )
631 );
632 exit();
633 }
634
635 // Try to save the Protect whitelist before anything else, since that action can result in errors.
636 $whitelist = str_replace( ' ', '', $_POST['global-whitelist'] );
637 $whitelist = explode( PHP_EOL, $whitelist );
638 $result = jetpack_protect_save_whitelist( $whitelist, true );
639 if ( is_wp_error( $result ) ) {
640 wp_safe_redirect(
641 add_query_arg(
642 array(
643 'page' => 'jetpack-settings',
644 'error' => 'jetpack_protect_whitelist',
645 ),
646 network_admin_url( 'admin.php' )
647 )
648 );
649 exit();
650 }
651
652 /*
653 * Fields
654 *
655 * auto-connect - Checkbox for global Jetpack connection
656 * sub-site-connection-override - Allow sub-site admins to (dis)reconnect with their own Jetpack account
657 */
658 $auto_connect = 0;
659 if ( isset( $_POST['auto-connect'] ) ) {
660 $auto_connect = 1;
661 }
662
663 $sub_site_connection_override = 0;
664 if ( isset( $_POST['sub-site-connection-override'] ) ) {
665 $sub_site_connection_override = 1;
666 }
667
668 $data = array(
669 'auto-connect' => $auto_connect,
670 'sub-site-connection-override' => $sub_site_connection_override,
671 );
672
673 update_site_option( $this->settings_name, $data );
674 wp_safe_redirect(
675 add_query_arg(
676 array(
677 'page' => 'jetpack-settings',
678 'updated' => 'true',
679 ),
680 network_admin_url( 'admin.php' )
681 )
682 );
683 exit();
684 }
685
686 /**
687 * A hook handler for adding admin pages and subpages.
688 */
689 public function wrap_render_network_admin_settings_page() {
690 Jetpack_Admin_Page::wrap_ui( array( $this, 'render_network_admin_settings_page' ) );
691 }
692
693 /**
694 * A hook rendering the admin settings page.
695 */
696 public function render_network_admin_settings_page() {
697 $this->network_admin_page_header();
698 $options = wp_parse_args( get_site_option( $this->settings_name ), $this->setting_defaults );
699
700 $modules = array();
701 $module_slugs = Jetpack::get_available_modules();
702 foreach ( $module_slugs as $slug ) {
703 $module = Jetpack::get_module( $slug );
704 $module['module'] = $slug;
705 $modules[] = $module;
706 }
707
708 usort( $modules, array( 'Jetpack', 'sort_modules' ) );
709
710 if ( ! isset( $options['modules'] ) ) {
711 $options['modules'] = $modules;
712 }
713
714 $data = array(
715 'modules' => $modules,
716 'options' => $options,
717 'jetpack_protect_whitelist' => jetpack_protect_format_whitelist(),
718 );
719
720 Jetpack::init()->load_view( 'admin/network-settings.php', $data );
721 }
722
723 /**
724 * Updates a site wide option
725 *
726 * @since 2.9
727 *
728 * @param string $key option name.
729 * @param mixed $value option value.
730 *
731 * @return boolean
732 **/
733 public function update_option( $key, $value ) {
734 $options = get_site_option( $this->settings_name, $this->setting_defaults );
735 $options[ $key ] = $value;
736
737 return update_site_option( $this->settings_name, $options );
738 }
739
740 /**
741 * Retrieves a site wide option
742 *
743 * @since 2.9
744 *
745 * @param string $name - Name of the option in the database.
746 **/
747 public function get_option( $name ) {
748 $options = get_site_option( $this->settings_name, $this->setting_defaults );
749 $options = wp_parse_args( $options, $this->setting_defaults );
750
751 if ( ! isset( $options[ $name ] ) ) {
752 $options[ $name ] = null;
753 }
754
755 return $options[ $name ];
756 }
757 }
758