Ticket #54905: 54905.diff

src/wp-includes/class-wp-customize-nav-menus.php

@@ -519 +519 @@
                                 'movedDown'              => __( 'Menu item moved down' ),
                                 'movedLeft'              => __( 'Menu item moved out of submenu' ),
                                 'movedRight'             => __( 'Menu item is now a sub-item' ),
-                                /* translators: ▸ is the unicode right-pointing triangle. %s: Section title in the Customizer. */
-                                'customizingMenus'       => sprintf( __( 'Customizing ▸ %s' ), esc_html( $this->manager->get_panel( 'nav_menus' )->title ) ),
                                 /* translators: %s: Title of an invalid menu item. */
                                 'invalidTitleTpl'        => __( '%s (Invalid)' ),
                                 /* translators: %s: Title of a menu item in draft status. */
@@ -543 +541 @@
                         ),
                         'locationSlugMappedToName' => get_registered_nav_menus(),
                 );
+                $nav_menus = $this->manager->get_panel( 'nav_menus' );
+                if ( $nav_menus ) {
+                        /* translators: ▸ is the unicode right-pointing triangle. %s: Section title in the Customizer. */
+                        $settings['l10n']['customizingMenus'] = sprintf( __( 'Customizing ▸ %s' ), esc_html( $nav_menus->title ) );
+                }
 
                 $data = sprintf( 'var _wpCustomizeNavMenusSettings = %s;', wp_json_encode( $settings ) );
                 wp_scripts()->add_data( 'customize-nav-menus', 'data', $data );
@@ -1146 +1149 @@
                                         <span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
                                 </button>
                                 <h3>
-                                        <span class="customize-action">
-                                                <?php
-                                                        /* translators: &#9656; is the unicode right-pointing triangle. %s: Section title in the Customizer. */
-                                                        printf( __( 'Customizing &#9656; %s' ), esc_html( $this->manager->get_panel( 'nav_menus' )->title ) );
+                                        <?php
+                                        $nav_menus = $this->manager->get_panel( 'nav_menus' );
+                                        if ( $nav_menus ) :
                                                 ?>
-                                        </span>
+                                                <span class="customize-action">
+                                                        <?php
+                                                                /* translators: &#9656; is the unicode right-pointing triangle. %s: Section title in the Customizer. */
+                                                                printf( __( 'Customizing &#9656; %s' ), esc_html( $nav_menus->title ) );
+                                                        ?>
+                                                </span>
+                                        <?php endif; ?>
                                         <?php _e( 'Add Menu Items' ); ?>
                                 </h3>
                         </div>

src/wp-includes/class-wp-customize-widgets.php

@@ -893 +893 @@
                                         <span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
                                 </button>
                                 <h3>
-                                        <span class="customize-action">
                                         <?php
-                                                /* translators: &#9656; is the unicode right-pointing triangle. %s: Section title in the Customizer. */
-                                                printf( __( 'Customizing &#9656; %s' ), esc_html( $this->manager->get_panel( 'widgets' )->title ) );
-                                        ?>
-                                        </span>
+                                        $widgets = $this->manager->get_panel( 'widgets' );
+                                        if ( $widgets ) :
+                                                ?>
+                                                <span class="customize-action">
+                                                <?php
+                                                        /* translators: &#9656; is the unicode right-pointing triangle. %s: Section title in the Customizer. */
+                                                        printf( __( 'Customizing &#9656; %s' ), esc_html( $widgets->title ) );
+                                                ?>
+                                                </span>
+                                        <?php endif; ?>
                                         <?php _e( 'Add a Widget' ); ?>
                                 </h3>
                         </div>