'plugins', 'screen' => isset( $args['screen'] ) ? $args['screen'] : null, ) ); $status = 'all'; if ( isset( $_REQUEST['plugin_status'] ) && in_array( $_REQUEST['plugin_status'], array( 'active', 'inactive', 'recently_activated', 'upgrade', 'mustuse', 'dropins', 'search' ) ) ) $status = $_REQUEST['plugin_status']; if ( isset($_REQUEST['s']) ) $_SERVER['REQUEST_URI'] = add_query_arg('s', wp_unslash($_REQUEST['s']) ); $page = $this->get_pagenum(); } /** * @return array */ protected function get_table_classes() { return array( 'widefat', $this->_args['plural'] ); } /** * @return bool */ public function ajax_user_can() { return current_user_can('activate_plugins'); } /** * * @global string $status * @global array $plugins * @global array $totals * @global int $page * @global string $orderby * @global string $order * @global string $s */ public function prepare_items() { global $status, $plugins, $totals, $page, $orderby, $order, $s; wp_reset_vars( array( 'orderby', 'order' ) ); /** * Filters the full array of plugins to list in the Plugins list table. * * @since 3.0.0 * * @see get_plugins() * * @param array $all_plugins An array of plugins to display in the list table. */ $all_plugins = apply_filters( 'all_plugins', get_plugins() ); $plugins = array( 'all' => $all_plugins, 'search' => array(), 'active' => array(), 'inactive' => array(), 'recently_activated' => array(), 'upgrade' => array(), 'mustuse' => array(), 'dropins' => array(), ); $screen = $this->screen; if ( ! is_multisite() || ( $screen->in_admin( 'network' ) && current_user_can( 'manage_network_plugins' ) ) ) { /** * Filter whether to display the advanced plugins list table. * * There are two types of advanced plugins - must-use and drop-ins - * which can be used in a single site or Multisite network. * * The $type parameter allows you to differentiate between the type of advanced * plugins to filter the display of. Contexts include 'mustuse' and 'dropins'. * * @since 3.0.0 * * @param bool $show Whether to show the advanced plugins for the specified * plugin type. Default true. * @param string $type The plugin type. Accepts 'mustuse', 'dropins'. */ if ( apply_filters( 'show_advanced_plugins', true, 'mustuse' ) ) { $plugins['mustuse'] = get_mu_plugins(); } /** This action is documented in wp-admin/includes/class-wp-plugins-list-table.php */ if ( apply_filters( 'show_advanced_plugins', true, 'dropins' ) ) $plugins['dropins'] = get_dropins(); if ( current_user_can( 'update_plugins' ) ) { $current = get_site_transient( 'update_plugins' ); foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) { if ( isset( $current->response[ $plugin_file ] ) ) { $plugins['all'][ $plugin_file ]['update'] = true; $plugins['upgrade'][ $plugin_file ] = $plugins['all'][ $plugin_file ]; } } } } if ( ! $screen->in_admin( 'network' ) ) { $show = current_user_can( 'manage_network_plugins' ); /** * Filter whether to display network-active plugins alongside plugins active for the current site. * * This also controls the display of inactive network-only plugins (plugins with * "Network: true" in the plugin header). * * Plugins cannot be network-activated or network-deactivated from this screen. * * @since 4.4.0 * * @param bool $show Whether to show network-active plugins. Default is whether the current * user can manage network plugins (ie. a Super Admin). */ $show_network_active = apply_filters( 'show_network_active_plugins', $show ); } set_transient( 'plugin_slugs', array_keys( $plugins['all'] ), DAY_IN_SECONDS ); if ( $screen->in_admin( 'network' ) ) { $recently_activated = get_site_option( 'recently_activated', array() ); } else { $recently_activated = get_option( 'recently_activated', array() ); } foreach ( $recently_activated as $key => $time ) { if ( $time + WEEK_IN_SECONDS < time() ) { unset( $recently_activated[$key] ); } } if ( $screen->in_admin( 'network' ) ) { update_site_option( 'recently_activated', $recently_activated ); } else { update_option( 'recently_activated', $recently_activated ); } $plugin_info = get_site_transient( 'update_plugins' ); foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) { // Extra info if known. array_merge() ensures $plugin_data has precedence if keys collide. if ( isset( $plugin_info->response[ $plugin_file ] ) ) { $plugins['all'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->response[ $plugin_file ], $plugin_data ); // Make sure that $plugins['upgrade'] also receives the extra info since it is used on ?plugin_status=upgrade if ( isset( $plugins['upgrade'][ $plugin_file ] ) ) { $plugins['upgrade'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->response[ $plugin_file ], $plugin_data ); } } elseif ( isset( $plugin_info->no_update[ $plugin_file ] ) ) { $plugins['all'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->no_update[ $plugin_file ], $plugin_data ); // Make sure that $plugins['upgrade'] also receives the extra info since it is used on ?plugin_status=upgrade if ( isset( $plugins['upgrade'][ $plugin_file ] ) ) { $plugins['upgrade'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->no_update[ $plugin_file ], $plugin_data ); } } // Filter into individual sections if ( is_multisite() && ! $screen->in_admin( 'network' ) && is_network_only_plugin( $plugin_file ) && ! is_plugin_active( $plugin_file ) ) { if ( $show_network_active ) { // On the non-network screen, show inactive network-only plugins if allowed $plugins['inactive'][ $plugin_file ] = $plugin_data; } else { // On the non-network screen, filter out network-only plugins as long as they're not individually active unset( $plugins['all'][ $plugin_file ] ); } } elseif ( ! $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) { if ( $show_network_active ) { // On the non-network screen, show network-active plugins if allowed $plugins['active'][ $plugin_file ] = $plugin_data; } else { // On the non-network screen, filter out network-active plugins unset( $plugins['all'][ $plugin_file ] ); } } elseif ( ( ! $screen->in_admin( 'network' ) && is_plugin_active( $plugin_file ) ) || ( $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) ) { // On the non-network screen, populate the active list with plugins that are individually activated // On the network-admin screen, populate the active list with plugins that are network activated $plugins['active'][ $plugin_file ] = $plugin_data; } else { if ( isset( $recently_activated[ $plugin_file ] ) ) { // Populate the recently activated list with plugins that have been recently activated $plugins['recently_activated'][ $plugin_file ] = $plugin_data; } // Populate the inactive list with plugins that aren't activated $plugins['inactive'][ $plugin_file ] = $plugin_data; } } if ( strlen( $s ) ) { $status = 'search'; $plugins['search'] = array_filter( $plugins['all'], array( $this, '_search_callback' ) ); } $totals = array(); foreach ( $plugins as $type => $list ) $totals[ $type ] = count( $list ); if ( empty( $plugins[ $status ] ) && !in_array( $status, array( 'all', 'search' ) ) ) $status = 'all'; $this->items = array(); foreach ( $plugins[ $status ] as $plugin_file => $plugin_data ) { // Translate, Don't Apply Markup, Sanitize HTML $this->items[$plugin_file] = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, false, true ); } $total_this_page = $totals[ $status ]; if ( ! $orderby ) { $orderby = 'Name'; } else { $orderby = ucfirst( $orderby ); } $order = strtoupper( $order ); uasort( $this->items, array( $this, '_order_callback' ) ); $plugins_per_page = $this->get_items_per_page( str_replace( '-', '_', $screen->id . '_per_page' ), 999 ); $start = ( $page - 1 ) * $plugins_per_page; if ( $total_this_page > $plugins_per_page ) $this->items = array_slice( $this->items, $start, $plugins_per_page ); $this->set_pagination_args( array( 'total_items' => $total_this_page, 'per_page' => $plugins_per_page, ) ); } /** * @global string $s URL encoded search term. * * @param array $plugin * @return bool */ public function _search_callback( $plugin ) { global $s; foreach ( $plugin as $value ) { if ( is_string( $value ) && false !== stripos( strip_tags( $value ), urldecode( $s ) ) ) { return true; } } return false; } /** * @global string $orderby * @global string $order * @param array $plugin_a * @param array $plugin_b * @return int */ public function _order_callback( $plugin_a, $plugin_b ) { global $orderby, $order; $a = $plugin_a[$orderby]; $b = $plugin_b[$orderby]; if ( $a == $b ) return 0; if ( 'DESC' === $order ) { return strcasecmp( $b, $a ); } else { return strcasecmp( $a, $b ); } } /** * * @global array $plugins */ public function no_items() { global $plugins; if ( ! empty( $_REQUEST['s'] ) ) { $s = esc_html( wp_unslash( $_REQUEST['s'] ) ); printf( __( 'No plugins found for “%s”.' ), $s ); // We assume that somebody who can install plugins in multisite is experienced enough to not need this helper link. if ( ! is_multisite() && current_user_can( 'install_plugins' ) ) { echo ' ' . __( 'Search for plugins in the WordPress Plugin Directory.' ) . ''; } } elseif ( ! empty( $plugins['all'] ) ) _e( 'No plugins found.' ); else _e( 'You do not appear to have any plugins available at this time.' ); } /** * * @global string $status * @return array */ public function get_columns() { global $status; return array( 'cb' => !in_array( $status, array( 'mustuse', 'dropins' ) ) ? '' : '', 'name' => __( 'Plugin' ), 'description' => __( 'Description' ), ); } /** * @return array */ protected function get_sortable_columns() { return array(); } /** * * @global array $totals * @global string $status * @return array */ protected function get_views() { global $totals, $status; $status_links = array(); foreach ( $totals as $type => $count ) { if ( !$count ) continue; switch ( $type ) { case 'all': $text = _nx( 'All (%s)', 'All (%s)', $count, 'plugins' ); break; case 'active': $text = _n( 'Active (%s)', 'Active (%s)', $count ); break; case 'recently_activated': $text = _n( 'Recently Active (%s)', 'Recently Active (%s)', $count ); break; case 'inactive': $text = _n( 'Inactive (%s)', 'Inactive (%s)', $count ); break; case 'mustuse': $text = _n( 'Must-Use (%s)', 'Must-Use (%s)', $count ); break; case 'dropins': $text = _n( 'Drop-ins (%s)', 'Drop-ins (%s)', $count ); break; case 'upgrade': $text = _n( 'Update Available (%s)', 'Update Available (%s)', $count ); break; } if ( 'search' !== $type ) { $status_links[$type] = sprintf( "%s", add_query_arg('plugin_status', $type, 'plugins.php'), ( $type === $status ) ? ' class="current"' : '', sprintf( $text, number_format_i18n( $count ) ) ); } } return $status_links; } /** * * @global string $status * @return array */ protected function get_bulk_actions() { global $status; $actions = array(); if ( 'active' != $status ) $actions['activate-selected'] = $this->screen->in_admin( 'network' ) ? __( 'Network Activate' ) : __( 'Activate' ); if ( 'inactive' != $status && 'recent' != $status ) $actions['deactivate-selected'] = $this->screen->in_admin( 'network' ) ? __( 'Network Deactivate' ) : __( 'Deactivate' ); if ( !is_multisite() || $this->screen->in_admin( 'network' ) ) { if ( current_user_can( 'update_plugins' ) ) $actions['update-selected'] = __( 'Update' ); if ( current_user_can( 'delete_plugins' ) && ( 'active' != $status ) ) $actions['delete-selected'] = __( 'Delete' ); } return $actions; } /** * @global string $status * @param string $which */ public function bulk_actions( $which = '' ) { global $status; if ( in_array( $status, array( 'mustuse', 'dropins' ) ) ) return; parent::bulk_actions( $which ); } /** * @global string $status * @param string $which */ protected function extra_tablenav( $which ) { global $status; if ( ! in_array($status, array('recently_activated', 'mustuse', 'dropins') ) ) return; echo '
'; if ( 'recently_activated' == $status ) { submit_button( __( 'Clear List' ), 'button', 'clear-recent-list', false ); } elseif ( 'top' === $which && 'mustuse' === $status ) { /* translators: %s: mu-plugins directory name */ echo '

' . sprintf( __( 'Files in the %s directory are executed automatically.' ), '' . str_replace( ABSPATH, '/', WPMU_PLUGIN_DIR ) . '' ) . '

'; } elseif ( 'top' === $which && 'dropins' === $status ) { /* translators: %s: wp-content directory name */ echo '

' . sprintf( __( 'Drop-ins are advanced plugins in the %s directory that replace WordPress functionality when present.' ), '' . str_replace( ABSPATH, '', WP_CONTENT_DIR ) . '' ) . '

'; } echo '
'; } /** * @return string */ public function current_action() { if ( isset($_POST['clear-recent-list']) ) return 'clear-recent-list'; return parent::current_action(); } /** * * @global string $status */ public function display_rows() { global $status; if ( is_multisite() && ! $this->screen->in_admin( 'network' ) && in_array( $status, array( 'mustuse', 'dropins' ) ) ) return; foreach ( $this->items as $plugin_file => $plugin_data ) $this->single_row( array( $plugin_file, $plugin_data ) ); } /** * @global string $status * @global int $page * @global string $s * @global array $totals * * @param array $item */ public function single_row( $item ) { global $status, $page, $s, $totals; list( $plugin_file, $plugin_data ) = $item; $context = $status; $screen = $this->screen; // Pre-order. $actions = array( 'deactivate' => '', 'activate' => '', 'details' => '', 'edit' => '', 'delete' => '', ); // Do not restrict by default $restrict_network_active = false; $restrict_network_only = false; if ( 'mustuse' === $context ) { $is_active = true; } elseif ( 'dropins' === $context ) { $dropins = _get_dropins(); $plugin_name = $plugin_file; if ( $plugin_file != $plugin_data['Name'] ) $plugin_name .= '
' . $plugin_data['Name']; if ( true === ( $dropins[ $plugin_file ][1] ) ) { // Doesn't require a constant $is_active = true; $description = '

' . $dropins[ $plugin_file ][0] . '

'; } elseif ( defined( $dropins[ $plugin_file ][1] ) && constant( $dropins[ $plugin_file ][1] ) ) { // Constant is true $is_active = true; $description = '

' . $dropins[ $plugin_file ][0] . '

'; } else { $is_active = false; $description = '

' . $dropins[ $plugin_file ][0] . ' ' . __( 'Inactive:' ) . ' ' . /* translators: 1: drop-in constant name, 2: wp-config.php */ sprintf( __( 'Requires %1$s in %2$s file.' ), "define('" . $dropins[ $plugin_file ][1] . "', true);", 'wp-config.php' ) . '

'; } if ( $plugin_data['Description'] ) $description .= '

' . $plugin_data['Description'] . '

'; } else { if ( $screen->in_admin( 'network' ) ) { $is_active = is_plugin_active_for_network( $plugin_file ); } else { $is_active = is_plugin_active( $plugin_file ); $restrict_network_active = ( is_multisite() && is_plugin_active_for_network( $plugin_file ) ); $restrict_network_only = ( is_multisite() && is_network_only_plugin( $plugin_file ) && ! $is_active ); } if ( $screen->in_admin( 'network' ) ) { if ( $is_active ) { if ( current_user_can( 'manage_network_plugins' ) ) { /* translators: %s: plugin name */ $actions['deactivate'] = '' . __( 'Network Deactivate' ) . ''; } } else { if ( current_user_can( 'manage_network_plugins' ) ) { /* translators: %s: plugin name */ $actions['activate'] = '' . __( 'Network Activate' ) . ''; } if ( current_user_can( 'delete_plugins' ) && ! is_plugin_active( $plugin_file ) ) { /* translators: %s: plugin name */ $actions['delete'] = '' . __( 'Delete' ) . ''; } } } else { if ( $restrict_network_active ) { $actions = array( 'network_active' => __( 'Network Active' ), ); } elseif ( $restrict_network_only ) { $actions = array( 'network_only' => __( 'Network Only' ), ); } elseif ( $is_active ) { /* translators: %s: plugin name */ $actions['deactivate'] = '' . __( 'Deactivate' ) . ''; } else { /* translators: %s: plugin name */ $actions['activate'] = '' . __( 'Activate' ) . ''; if ( ! is_multisite() && current_user_can( 'delete_plugins' ) ) { /* translators: %s: plugin name */ $actions['delete'] = '' . __( 'Delete' ) . ''; } } // end if $is_active } // end if $screen->in_admin( 'network' ) if ( ( ! is_multisite() || $screen->in_admin( 'network' ) ) && current_user_can( 'edit_plugins' ) && is_writable( WP_PLUGIN_DIR . '/' . $plugin_file ) ) { /* translators: %s: plugin name */ $actions['edit'] = '' . __( 'Edit' ) . ''; } } // end if $context $actions = array_filter( $actions ); if ( $screen->in_admin( 'network' ) ) { /** * Filter the action links displayed for each plugin in the Network Admin Plugins list table. * * The default action links for the Network plugins list table include * 'Network Activate', 'Network Deactivate', 'Edit', and 'Delete'. * * @since 3.1.0 As `{$prefix}_plugin_action_links` * @since 4.4.0 * * @param array $actions An array of plugin action links. * @param string $plugin_file Path to the plugin file relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $context The plugin context. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', * 'Must-Use', 'Drop-ins', 'Search'. */ $actions = apply_filters( 'network_admin_plugin_action_links', $actions, $plugin_file, $plugin_data, $context ); /** * Filter the list of action links displayed for a specific plugin in the Network Admin Plugins list table. * * The dynamic portion of the hook name, $plugin_file, refers to the path * to the plugin file, relative to the plugins directory. * * @since 3.1.0 As `{$prefix}_plugin_action_links_{$plugin_file}` * @since 4.4.0 * * @param array $actions An array of plugin action links. * @param string $plugin_file Path to the plugin file relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $context The plugin context. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', * 'Must-Use', 'Drop-ins', 'Search'. */ $actions = apply_filters( "network_admin_plugin_action_links_{$plugin_file}", $actions, $plugin_file, $plugin_data, $context ); } else { /** * Filter the action links displayed for each plugin in the Plugins list table. * * The default action links for the site plugins list table include * 'Activate', 'Deactivate', and 'Edit', for a network site, and * 'Activate', 'Deactivate', 'Edit', and 'Delete' for a single site. * * @since 2.5.0 As `{$prefix}_plugin_action_links` * @since 4.4.0 * * @param array $actions An array of plugin action links. * @param string $plugin_file Path to the plugin file relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $context The plugin context. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', * 'Must-Use', 'Drop-ins', 'Search'. */ $actions = apply_filters( 'plugin_action_links', $actions, $plugin_file, $plugin_data, $context ); /** * Filter the list of action links displayed for a specific plugin in the Plugins list table. * * The dynamic portion of the hook name, $plugin_file, refers to the path * to the plugin file, relative to the plugins directory. * * @since 2.7.0 As `{$prefix}_plugin_action_links_{$plugin_file}` * @since 4.4.0 * * @param array $actions An array of plugin action links. * @param string $plugin_file Path to the plugin file relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $context The plugin context. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', * 'Must-Use', 'Drop-ins', 'Search'. */ $actions = apply_filters( "plugin_action_links_{$plugin_file}", $actions, $plugin_file, $plugin_data, $context ); } $class = $is_active ? 'active' : 'inactive'; $checkbox_id = "checkbox_" . md5($plugin_data['Name']); if ( $restrict_network_active || $restrict_network_only || in_array( $status, array( 'mustuse', 'dropins' ) ) ) { $checkbox = ''; } else { $checkbox = "" . ""; } if ( 'dropins' != $context ) { $description = '

' . ( $plugin_data['Description'] ? $plugin_data['Description'] : ' ' ) . '

'; $plugin_name = $plugin_data['Name']; } if ( ! empty( $totals['upgrade'] ) && ! empty( $plugin_data['update'] ) ) $class .= ' update'; $plugin_slug = isset( $plugin_data['slug'] ) ? $plugin_data['slug'] : sanitize_title( $plugin_name ); printf( '', esc_attr( $class ), esc_attr( $plugin_slug ), esc_attr( $plugin_file ) ); list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info(); foreach ( $columns as $column_name => $column_display_name ) { $extra_classes = ''; if ( in_array( $column_name, $hidden ) ) { $extra_classes = ' hidden'; } switch ( $column_name ) { case 'cb': echo "$checkbox"; break; case 'name': echo "$plugin_name"; echo $this->row_actions( $actions, true ); echo ""; break; case 'description': $classes = 'column-description desc'; echo "
$description
"; $plugin_meta = array(); if ( !empty( $plugin_data['Version'] ) ) $plugin_meta[] = sprintf( __( 'Version %s' ), $plugin_data['Version'] ); if ( !empty( $plugin_data['Author'] ) ) { $author = $plugin_data['Author']; if ( !empty( $plugin_data['AuthorURI'] ) ) $author = '' . $plugin_data['Author'] . ''; $plugin_meta[] = sprintf( __( 'By %s' ), $author ); } // Details link using API info, if available if ( isset( $plugin_data['slug'] ) && current_user_can( 'install_plugins' ) ) { $plugin_meta[] = sprintf( '%s', esc_url( network_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_data['slug'] . '&TB_iframe=true&width=600&height=550' ) ), esc_attr( sprintf( __( 'More information about %s' ), $plugin_name ) ), esc_attr( $plugin_name ), __( 'View details' ) ); } elseif ( ! empty( $plugin_data['PluginURI'] ) ) { $plugin_meta[] = sprintf( '%s', esc_url( $plugin_data['PluginURI'] ), __( 'Visit plugin site' ) ); } /** * Filter the array of row meta for each plugin in the Plugins list table. * * @since 2.8.0 * * @param array $plugin_meta An array of the plugin's metadata, * including the version, author, * author URI, and plugin URI. * @param string $plugin_file Path to the plugin file, relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $status Status of the plugin. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use', * 'Drop-ins', 'Search'. */ $plugin_meta = apply_filters( 'plugin_row_meta', $plugin_meta, $plugin_file, $plugin_data, $status ); echo implode( ' | ', $plugin_meta ); echo "
"; break; default: $classes = "$column_name column-$column_name$class"; echo ""; /** * Fires inside each custom column of the Plugins list table. * * @since 3.1.0 * * @param string $column_name Name of the column. * @param string $plugin_file Path to the plugin file. * @param array $plugin_data An array of plugin data. */ do_action( 'manage_plugins_custom_column', $column_name, $plugin_file, $plugin_data ); echo ""; } } echo ""; /** * Fires after each row in the Plugins list table. * * @since 2.3.0 * * @param string $plugin_file Path to the plugin file, relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $status Status of the plugin. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use', * 'Drop-ins', 'Search'. */ do_action( 'after_plugin_row', $plugin_file, $plugin_data, $status ); /** * Fires after each specific row in the Plugins list table. * * The dynamic portion of the hook name, `$plugin_file`, refers to the path * to the plugin file, relative to the plugins directory. * * @since 2.7.0 * * @param string $plugin_file Path to the plugin file, relative to the plugins directory. * @param array $plugin_data An array of plugin data. * @param string $status Status of the plugin. Defaults are 'All', 'Active', * 'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use', * 'Drop-ins', 'Search'. */ do_action( "after_plugin_row_$plugin_file", $plugin_file, $plugin_data, $status ); } /** * Gets the name of the primary column for this specific list table. * * @since 4.3.0 * @access protected * * @return string Unalterable name for the primary column, in this case, 'name'. */ protected function get_primary_column_name() { return 'name'; } }