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jetpack / class.jetpack-modules-list-table.php

class.jetpack-modules-list-table.php in Jetpack – WP Security, Backup, Speed, & Growth 16.2, at class.jetpack-modules-list-table.php

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1 <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2 /**
3 * Jetpack modules list table.
4 *
5 * @package automattic/jetpack
6 */
7
8 use Automattic\Jetpack\Assets;
9
10 if ( ! defined( 'ABSPATH' ) ) {
11 exit( 0 );
12 }
13
14 if ( ! class_exists( 'WP_List_Table' ) ) {
15 require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
16 }
17
18 /**
19 * Jetpack modules list table.
20 */
21 class Jetpack_Modules_List_Table extends WP_List_Table {
22
23 /**
24 * Order in which product groups are displayed on the page.
25 *
26 * @var string[]
27 */
28 const PRODUCT_GROUP_ORDER = array( 'growth', 'performance', 'security', 'other' );
29
30 /**
31 * Map of module slug to product group.
32 *
33 * Modeled on the Offline Mode dashboard grouping so the modules page reads
34 * as a set of focused product areas. Any module not listed falls back to
35 * the "other" group.
36 *
37 * @return array<string, string> Module slug => product group slug.
38 */
39 public static function get_module_product_groups_map() {
40 return array(
41 // Grow your audience.
42 'blaze' => 'growth',
43 'comment-likes' => 'growth',
44 'comments' => 'growth',
45 'contact-form' => 'growth',
46 'gravatar-hovercards' => 'growth',
47 'likes' => 'growth',
48 'publicize' => 'growth',
49 'related-posts' => 'growth',
50 'sharedaddy' => 'growth',
51 'simple-payments' => 'growth',
52 'stats' => 'growth',
53 'subscriptions' => 'growth',
54 'woocommerce-analytics' => 'growth',
55 'wordads' => 'growth',
56 'wpcom-reader' => 'growth',
57
58 // Speed up your site.
59 'carousel' => 'performance',
60 'google-fonts' => 'performance',
61 'infinite-scroll' => 'performance',
62 'photon' => 'performance',
63 'photon-cdn' => 'performance',
64 'search' => 'performance',
65 'tiled-gallery' => 'performance',
66 'videopress' => 'performance',
67
68 // Protect your site.
69 'account-protection' => 'security',
70 'monitor' => 'security',
71 'notes' => 'security',
72 'protect' => 'security',
73 'sso' => 'security',
74 'vaultpress' => 'security',
75 'waf' => 'security',
76 );
77 }
78
79 /**
80 * Get the product group slug for a given module.
81 *
82 * @param string $slug Module slug.
83 * @return string Product group slug.
84 */
85 public static function get_module_product_group( $slug ) {
86 $map = self::get_module_product_groups_map();
87
88 return $map[ $slug ] ?? 'other';
89 }
90
91 /**
92 * Get the translated display name for a product group.
93 *
94 * @param string $group Product group slug.
95 * @return string Translated group name.
96 */
97 public static function get_product_group_name( $group ) {
98 switch ( $group ) {
99 case 'growth':
100 return __( 'Grow your audience', 'jetpack' );
101 case 'performance':
102 return __( 'Speed up your site', 'jetpack' );
103 case 'security':
104 return __( 'Protect your site', 'jetpack' );
105 default:
106 return __( 'Other features', 'jetpack' );
107 }
108 }
109
110 /**
111 * Whether a module is flagged as recommended.
112 *
113 * @param array $module Module data (with raw, untranslated module tags).
114 * @return bool
115 */
116 public static function is_module_recommended( $module ) {
117 return ! empty( $module['module_tags'] ) && in_array( 'Recommended', (array) $module['module_tags'], true );
118 }
119
120 /**
121 * Remove the legacy `vaultpress` module from the modules screen.
122 *
123 * The `vaultpress` module is a leftover stub for the original standalone
124 * VaultPress plugin. It is hard-coded as never activatable (see
125 * Jetpack_Admin::is_module_available()) and is unrelated to the modern
126 * VaultPress Backup product, which is delivered through My Jetpack and the
127 * standalone Jetpack VaultPress Backup plugin rather than a Jetpack module.
128 * Showing a permanently-unavailable row that merely reuses the modern
129 * product's name is misleading, so we drop it from this screen only. Other
130 * surfaces (REST, the React dashboard, standalone plugins) are unaffected.
131 *
132 * @param array $modules Array of Jetpack modules keyed by slug.
133 * @return array Modules without the legacy `vaultpress` entry.
134 */
135 public static function hide_legacy_vaultpress_module( $modules ) {
136 unset( $modules['vaultpress'] );
137 return $modules;
138 }
139
140 /** Constructor. */
141 public function __construct() {
142 parent::__construct();
143
144 Jetpack::init();
145
146 // Scope this to the modules screen so REST/React/standalone surfaces keep the legacy slug.
147 add_filter( 'jetpack_modules_list_table_items', array( __CLASS__, 'hide_legacy_vaultpress_module' ) );
148
149 if ( $this->compat_fields && is_array( $this->compat_fields ) ) {
150 array_push( $this->compat_fields, 'all_items' );
151 }
152
153 /**
154 * Filters the list of modules available to be displayed in the Jetpack Settings screen.
155 *
156 * @since 3.0.0
157 *
158 * @param array $modules Array of Jetpack modules.
159 */
160 $this->all_items = apply_filters( 'jetpack_modules_list_table_items', Jetpack_Admin::init()->get_modules() );
161 $this->items = $this->all_items;
162 $this->items = $this->filter_displayed_table_items( $this->items );
163 $this->_column_headers = array( $this->get_columns(), array(), array(), 'name' );
164 // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Nonce: This is a view, not a model or controller. InputNotSanitized: Sanitized below via `$this->module_info_check()`.
165 $modal_info = isset( $_GET['info'] ) ? wp_unslash( $_GET['info'] ) : false;
166
167 // Adding in a hidden h1 heading for screen-readers.
168 ?>
169 <h1 class="screen-reader-text"><?php esc_html_e( 'Jetpack Modules List', 'jetpack' ); ?></h1>
170 <?php
171
172 wp_register_script(
173 'models.jetpack-modules',
174 Assets::get_file_url_for_environment(
175 '_inc/build/jetpack-modules.models.min.js',
176 '_inc/jetpack-modules.models.js'
177 ),
178 array( 'jquery', 'backbone' ),
179 JETPACK__VERSION,
180 false // @todo Can this be put in the footer?
181 );
182 wp_register_script(
183 'views.jetpack-modules',
184 Assets::get_file_url_for_environment(
185 '_inc/build/jetpack-modules.views.min.js',
186 '_inc/jetpack-modules.views.js'
187 ),
188 array( 'jquery', 'backbone', 'wp-util' ),
189 JETPACK__VERSION,
190 false // @todo Can this be put in the footer?
191 );
192 wp_register_script(
193 'jetpack-modules-list-table',
194 Assets::get_file_url_for_environment(
195 '_inc/build/jetpack-modules.min.js',
196 '_inc/jetpack-modules.js'
197 ),
198 array(
199 'views.jetpack-modules',
200 'models.jetpack-modules',
201 'jquery',
202 ),
203 JETPACK__VERSION,
204 true
205 );
206
207 $modules_for_js = (array) Jetpack::get_translated_modules( $this->all_items );
208 foreach ( array_keys( $modules_for_js ) as $slug ) {
209 $group = self::get_module_product_group( $slug );
210
211 $modules_for_js[ $slug ]['product_group'] = $group;
212 $modules_for_js[ $slug ]['product_group_name'] = self::get_product_group_name( $group );
213 // Detect recommendation from the raw (untranslated) module tags.
214 $modules_for_js[ $slug ]['recommended'] = isset( $this->all_items[ $slug ] ) && self::is_module_recommended( $this->all_items[ $slug ] );
215 }
216
217 wp_localize_script(
218 'jetpack-modules-list-table',
219 'jetpackModulesData',
220 array(
221 'modules' => $modules_for_js,
222 'i18n' => array(
223 'search_placeholder' => __( 'Search modules…', 'jetpack' ),
224 ),
225 'modalinfo' => $this->module_info_check( $modal_info, $this->all_items ),
226 'nonces' => array(
227 'bulk' => wp_create_nonce( 'bulk-jetpack_page_jetpack_modules' ),
228 ),
229 )
230 );
231
232 wp_enqueue_script( 'jetpack-modules-list-table' );
233
234 /**
235 * Filters the js_templates callback value.
236 *
237 * @since 3.6.0
238 *
239 * @param array array( $this, 'js_templates' ) js_templates callback.
240 */
241 add_action( 'admin_footer', apply_filters( 'jetpack_modules_list_table_js_template_callback', array( $this, 'js_templates' ) ), 9 );
242 }
243
244 /**
245 * Output row template.
246 */
247 public function js_templates() {
248 ?>
249 <script type="text/html" id="tmpl-Jetpack_Modules_List_Table_Template">
250 <# var i = 0; var currentGroup = null;
251 if ( data.items.length ) {
252 _.each( data.items, function( item, key, list ) {
253 if ( item === undefined ) return;
254 if ( item.product_group !== currentGroup ) {
255 currentGroup = item.product_group; #>
256 <tr class="jetpack-module-group-header" data-group="{{ item.product_group }}">
257 <td colspan="2"><h2 class="jetpack-module-group-header__title">{{ item.product_group_name }}</h2></td>
258 </tr>
259 <# } #>
260 <tr class="jetpack-module<# if ( ++i % 2 ) { #> alternate<# } #><# if ( item.activated ) { #> active<# } #><# if ( ! item.available ) { #> unavailable<# } #>" id="{{{ item.module }}}">
261 <th scope="row" class="check-column">
262 <# if ( item.available ) { #><input type="checkbox" name="modules[]" value="{{{ item.module }}}" {{{ item.disabled }}} /><# } #>
263 </th>
264 <td class="name column-name">
265 <div class="jetpack-module__body">
266 <div class="jetpack-module__info">
267 <# if ( item.learn_more_button ) { #><a class="jetpack-module__name" href="{{{ item.learn_more_button }}}" target="_blank" rel="noopener noreferrer">{{ item.name }}</a><# } else { #><span class="jetpack-module__name">{{ item.name }}</span><# } #>
268 <# if ( item.description ) { #><span class="jetpack-module__description">{{ item.description }}</span><# } #>
269 </div>
270 <div class="jetpack-module__meta">
271 <span class="jetpack-module__badges">
272 <# if ( item.recommended && item.available ) { #><span class="jetpack-module__badge is-recommended"><?php esc_html_e( 'Recommended', 'jetpack' ); ?></span><# } #>
273 <# if ( item.available ) { #>
274 <# if ( item.activated ) { #><span class="jetpack-module__badge is-active"><?php esc_html_e( 'Active', 'jetpack' ); ?></span><# } else { #><span class="jetpack-module__badge is-inactive"><?php esc_html_e( 'Inactive', 'jetpack' ); ?></span><# } #>
275 <# } #>
276 </span>
277 <div class="row-actions">
278 <# if ( item.configurable ) { #>
279 <span class="configure">{{{ item.configurable }}}</span>
280 <# } #>
281 <# if ( item.available ) { #>
282 <# if ( item.activated ) { #>
283 <a class="jetpack-module__toggle is-active" role="switch" aria-checked="true" href="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>?page=jetpack&#038;action=deactivate&#038;module={{{ item.module }}}&#038;_wpnonce={{{ item.deactivate_nonce }}}"><span class="jetpack-module__toggle-track"><span class="jetpack-module__toggle-thumb"></span></span><span class="screen-reader-text"><?php esc_html_e( 'Deactivate', 'jetpack' ); ?></span></a>
284 <# } else { #>
285 <a class="jetpack-module__toggle" role="switch" aria-checked="false" href="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>?page=jetpack&#038;action=activate&#038;module={{{ item.module }}}&#038;_wpnonce={{{ item.activate_nonce }}}"><span class="jetpack-module__toggle-track"><span class="jetpack-module__toggle-thumb"></span></span><span class="screen-reader-text"><?php esc_html_e( 'Activate', 'jetpack' ); ?></span></a>
286 <# } #>
287 <# } else { #>
288 <span class="jetpack-module__unavailable">{{ item.unavailable_reason }}</span>
289 <# } #>
290 </div>
291 </div>
292 </div>
293 </td>
294 </tr>
295 <#
296 });
297 } else {
298 #>
299 <tr class="no-modules-found">
300 <td colspan="2"><?php esc_html_e( 'No Modules Found', 'jetpack' ); ?></td>
301 </tr>
302 <#
303 }
304 #>
305 </script>
306 <?php
307 }
308
309 /**
310 * Get views data.
311 *
312 * @return array Maps identifier to display HTML.
313 */
314 public function get_views() {
315 /** This filter is already documented in class.jetpack-modules-list-table.php */
316 $modules = apply_filters( 'jetpack_modules_list_table_items', Jetpack_Admin::init()->get_modules() );
317 $array_of_module_tags = wp_list_pluck( $modules, 'module_tags' );
318 $module_tags = array_merge( ...array_values( $array_of_module_tags ) );
319 $module_tags = array_map( 'jetpack_get_module_i18n_tag', $module_tags );
320 $module_tags_unique = array_count_values( $module_tags );
321 ksort( $module_tags_unique );
322
323 $format = '<a href="%3$s" %4$s data-title="%1$s">%1$s</a> <span class="count">(%2$s)</span>';
324 $title = __( 'All', 'jetpack' );
325 $count = is_countable( $modules ) ? count( $modules ) : 0;
326 $url = esc_url( remove_query_arg( 'module_tag' ) );
327 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
328 $views = array(
329 'all' => sprintf( $format, $title, $count, $url, 'class="all"' ),
330 );
331 foreach ( $module_tags_unique as $title => $count ) {
332 $key = sanitize_title( $title );
333 $display_title = esc_html( wptexturize( $title ) );
334 $url = esc_url( add_query_arg( 'module_tag', rawurlencode( $title ) ) );
335 $views[ $key ] = sprintf( $format, $display_title, $count, $url, '' );
336 }
337 return $views;
338 }
339
340 /**
341 * Output views HTML.
342 */
343 public function views() {
344 $views = $this->get_views();
345
346 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
347 $module_tag = empty( $_GET['module_tag'] ) ? 'all' : sanitize_title( wp_unslash( $_GET['module_tag'] ) );
348
349 echo "<ul class='subsubsub'>\n";
350 foreach ( $views as $class => $view ) {
351 $class_name = $class;
352 if ( $class === $module_tag ) {
353 $class_name .= ' current';
354 }
355
356 $views[ $class ] = "\t<li class='$class_name'>$view</li>";
357 }
358 echo implode( "\n", $views ) . "\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Is HTML. Escaping happens in get_views().
359 echo '</ul>';
360 }
361
362 /**
363 * Filter a modules array for displayed items.
364 *
365 * @param array $modules Modules.
366 * @return array Displayed modules.
367 */
368 public function filter_displayed_table_items( $modules ) {
369 return array_filter( $modules, array( $this, 'is_module_displayed' ) );
370 }
371
372 /**
373 * Determine if a module is displayed.
374 *
375 * @param array $module Module data.
376 * @return bool
377 */
378 public static function is_module_displayed( $module ) {
379 // Handle module tag based filtering.
380 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
381 if ( ! empty( $_REQUEST['module_tag'] ) ) {
382 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
383 $module_tag = sanitize_text_field( wp_unslash( $_REQUEST['module_tag'] ) );
384 if ( ! in_array( $module_tag, array_map( 'jetpack_get_module_i18n_tag', $module['module_tags'] ), true ) ) {
385 return false;
386 }
387 }
388
389 // If nothing rejected it, include it!
390 return true;
391 }
392
393 /**
394 * Sort callback to put modules with `requires_connection` last.
395 *
396 * @param array $module1 Module data.
397 * @param array $module2 Module data.
398 * @return int Indicating the relative ordering of module1 and module2.
399 */
400 public static function sort_requires_connection_last( $module1, $module2 ) {
401 if ( (bool) $module1['requires_connection'] === (bool) $module2['requires_connection'] ) {
402 return 0;
403 }
404 if ( $module1['requires_connection'] ) {
405 return 1;
406 }
407 if ( $module2['requires_connection'] ) {
408 return -1;
409 }
410
411 return 0;
412 }
413
414 /**
415 * Get table columns.
416 *
417 * @return string[] Column name to header HTML.
418 */
419 public function get_columns() {
420 $columns = array(
421 'cb' => '<input type="checkbox" />',
422 'name' => __( 'Name', 'jetpack' ),
423 );
424 return $columns;
425 }
426
427 /**
428 * Get bulk actions for the table.
429 *
430 * @return string[] Actions, code => text.
431 */
432 public function get_bulk_actions() {
433 $actions = array(
434 'bulk-activate' => __( 'Activate', 'jetpack' ),
435 'bulk-deactivate' => __( 'Deactivate', 'jetpack' ),
436 );
437 return $actions;
438 }
439
440 /**
441 * Print the module rows grouped by product group.
442 *
443 * Overrides WP_List_Table::display_rows() so the server-rendered (no-JS)
444 * output matches the grouped, card-style layout produced by the Backbone
445 * template.
446 */
447 public function display_rows() {
448 $buckets = array();
449 foreach ( self::PRODUCT_GROUP_ORDER as $group ) {
450 $buckets[ $group ] = array();
451 }
452
453 foreach ( $this->items as $item ) {
454 $group = self::get_module_product_group( $item['module'] );
455 $buckets[ $group ][] = $item;
456 }
457
458 foreach ( $buckets as $group => $items ) {
459 if ( empty( $items ) ) {
460 continue;
461 }
462 $this->group_header_row( $group );
463 foreach ( $items as $item ) {
464 $this->single_row( $item );
465 }
466 }
467 }
468
469 /**
470 * Print a product group header row.
471 *
472 * @param string $group Product group slug.
473 */
474 protected function group_header_row( $group ) {
475 printf(
476 '<tr class="jetpack-module-group-header" data-group="%1$s"><td colspan="2"><h2 class="jetpack-module-group-header__title">%2$s</h2></td></tr>',
477 esc_attr( $group ),
478 esc_html( self::get_product_group_name( $group ) )
479 );
480 }
481
482 /**
483 * Print a single row of the table.
484 *
485 * @param object|array $item Item.
486 */
487 public function single_row( $item ) {
488 static $i = 0;
489 $row_class = ( ( ++$i ) % 2 ) ? ' alternate' : '';
490
491 $available = Jetpack_Admin::is_module_available( $item );
492
493 if ( ! empty( $item['activated'] ) ) {
494 $row_class .= ' active';
495 }
496 if ( ! $available ) {
497 $row_class .= ' unavailable';
498 }
499
500 echo '<tr class="jetpack-module' . esc_attr( $row_class ) . '" id="' . esc_attr( $item['module'] ) . '">';
501
502 echo '<th scope="row" class="check-column">';
503 if ( $available ) {
504 printf( '<input type="checkbox" name="modules[]" value="%s" />', esc_attr( $item['module'] ) );
505 }
506 echo '</th>';
507
508 echo '<td class="name column-name">';
509 echo '<div class="jetpack-module__body">';
510
511 echo '<div class="jetpack-module__info">';
512 if ( ! empty( $item['learn_more_button'] ) ) {
513 printf(
514 '<a class="jetpack-module__name" href="%1$s" target="_blank" rel="noopener noreferrer">%2$s</a>',
515 esc_url( $item['learn_more_button'] ),
516 wp_kses_post( wptexturize( $item['name'] ) )
517 );
518 } else {
519 echo '<span class="jetpack-module__name">' . wp_kses_post( wptexturize( $item['name'] ) ) . '</span>';
520 }
521 if ( ! empty( $item['description'] ) ) {
522 echo '<span class="jetpack-module__description">' . esc_html( wp_strip_all_tags( $item['description'] ) ) . '</span>';
523 }
524 echo '</div>';
525
526 echo '<div class="jetpack-module__meta">';
527 echo '<span class="jetpack-module__badges">';
528 if ( $available && self::is_module_recommended( $item ) ) {
529 echo '<span class="jetpack-module__badge is-recommended">' . esc_html__( 'Recommended', 'jetpack' ) . '</span>';
530 }
531 if ( $available ) {
532 if ( ! empty( $item['activated'] ) ) {
533 echo '<span class="jetpack-module__badge is-active">' . esc_html__( 'Active', 'jetpack' ) . '</span>';
534 } else {
535 echo '<span class="jetpack-module__badge is-inactive">' . esc_html__( 'Inactive', 'jetpack' ) . '</span>';
536 }
537 }
538 echo '</span>';
539
540 echo '<div class="row-actions">';
541 if ( ! empty( $item['configurable'] ) ) {
542 echo '<span class="configure">' . wp_kses_post( $item['configurable'] ) . '</span>';
543 }
544 if ( $available ) {
545 echo $this->get_module_toggle_html( $item ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Escaped in helper.
546 } elseif ( ! empty( $item['unavailable_reason'] ) ) {
547 echo '<span class="jetpack-module__unavailable">' . wp_kses_post( $item['unavailable_reason'] ) . '</span>';
548 }
549 // Close .row-actions, .jetpack-module__meta, and .jetpack-module__body.
550 echo '</div></div></div>';
551 echo '</td>';
552 echo '</tr>';
553 }
554
555 /**
556 * Build the activate/deactivate toggle control markup for a module row.
557 *
558 * @param object|array $item Module data.
559 * @return string HTML.
560 */
561 protected function get_module_toggle_html( $item ) {
562 $is_active = ! empty( $item['activated'] );
563
564 if ( $is_active ) {
565 $url = wp_nonce_url(
566 Jetpack::admin_url(
567 array(
568 'page' => 'jetpack',
569 'action' => 'deactivate',
570 'module' => $item['module'],
571 )
572 ),
573 'jetpack_deactivate-' . $item['module']
574 );
575 $label = sprintf(
576 /* translators: %s: Jetpack module name. */
577 __( 'Deactivate %s', 'jetpack' ),
578 $item['name']
579 );
580 $class = 'jetpack-module__toggle is-active';
581 $aria = 'true';
582 } else {
583 $url = wp_nonce_url(
584 Jetpack::admin_url(
585 array(
586 'page' => 'jetpack',
587 'action' => 'activate',
588 'module' => $item['module'],
589 )
590 ),
591 'jetpack_activate-' . $item['module']
592 );
593 $label = sprintf(
594 /* translators: %s: Jetpack module name. */
595 __( 'Activate %s', 'jetpack' ),
596 $item['name']
597 );
598 $class = 'jetpack-module__toggle';
599 $aria = 'false';
600 }
601
602 return sprintf(
603 '<a class="%1$s" role="switch" aria-checked="%2$s" href="%3$s"><span class="jetpack-module__toggle-track"><span class="jetpack-module__toggle-thumb"></span></span><span class="screen-reader-text">%4$s</span></a>',
604 esc_attr( $class ),
605 esc_attr( $aria ),
606 esc_url( $url ),
607 esc_html( $label )
608 );
609 }
610
611 /**
612 * Table classes.
613 *
614 * @return string[] HTML.
615 */
616 public function get_table_classes() {
617 return array( 'table', 'table-bordered', 'wp-list-table', 'widefat', 'fixed' );
618 }
619
620 /**
621 * Check if the info parameter provided in the URL corresponds to an actual module.
622 *
623 * @param string|false $info Info parameter.
624 * @param array $modules Modules array.
625 * @return string|false
626 */
627 public function module_info_check( $info, $modules ) {
628 if ( ! $info ) {
629 return false;
630 } elseif ( array_key_exists( $info, $modules ) ) {
631 return $info;
632 }
633 }
634
635 /**
636 * Core switched their `display_tablenav()` method to protected, so we can't access it directly.
637 * Instead, let's include an access function to make it doable without errors!
638 *
639 * @see https://github.com/WordPress/WordPress/commit/d28f6344de97616de8ece543ed290c4ba2383622
640 *
641 * @param string $which Which nav table to display.
642 * @return mixed
643 */
644 public function unprotected_display_tablenav( $which = 'top' ) {
645 return $this->display_tablenav( $which );
646 }
647 }
648