Ticket #38507: 38507.diff

class-wp-posts-list-table.php

@@ -1487 +1487 @@
                 if ( post_type_supports( $screen->post_type, 'page-attributes' ) ) :
 
                         if ( $post_type_object->hierarchical ) :
-                ?>
-                        <label>
-                                <span class="title"><?php _e( 'Parent' ); ?></span>
-        <?php
-                $dropdown_args = array(
-                        'post_type'         => $post_type_object->name,
-                        'selected'          => $post->post_parent,
-                        'name'              => 'post_parent',
-                        'show_option_none'  => __( 'Main Page (no parent)' ),
-                        'option_none_value' => 0,
-                        'sort_column'       => 'menu_order, post_title',
-                );
 
-                if ( $bulk )
-                        $dropdown_args['show_option_no_change'] =  __( '&mdash; No Change &mdash;' );
+                                $dropdown_args = array(
+                                        'post_type'         => $post_type_object->name,
+                                        'selected'          => $post->post_parent,
+                                        'name'              => 'post_parent',
+                                        'show_option_none'  => __( 'Main Page (no parent)' ),
+                                        'option_none_value' => 0,
+                                        'sort_column'       => 'menu_order, post_title',
+                                        'echo'              => 0,
+                                );
 
-                /**
-                 * Filters the arguments used to generate the Quick Edit page-parent drop-down.
-                 *
-                 * @since 2.7.0
-                 *
-                 * @see wp_dropdown_pages()
-                 *
-                 * @param array $dropdown_args An array of arguments.
-                 */
-                $dropdown_args = apply_filters( 'quick_edit_dropdown_pages_args', $dropdown_args );
+                                if ( $bulk )
+                                        $dropdown_args['show_option_no_change'] =  __( '&mdash; No Change &mdash;' );
 
-                wp_dropdown_pages( $dropdown_args );
+                                /**
+                                 * Filters the arguments used to generate the Quick Edit page-parent drop-down.
+                                 *
+                                 * @since 2.7.0
+                                 *
+                                 * @see wp_dropdown_pages()
+                                 *
+                                 * @param array $dropdown_args An array of arguments.
+                                 */
+                                $dropdown_args = apply_filters( 'quick_edit_dropdown_pages_args', $dropdown_args );
+
+                                //Get dropdown HTML in variable to check if the dropdown is empty
+                                $parent_dropdown = wp_dropdown_pages( $dropdown_args );
+
+                                //If dropdown is empty don't show the label or dropdown.
+                                if( "" != $parent_dropdown ) :
         ?>
-                        </label>
+                                        <label>
+                                                <span class="title"><?php _e( 'Parent' ); ?></span>
+                                                <?php echo $parent_dropdown; ?>
+                                        </label>
 
         <?php
+                                endif; //$parent_dropdown
                         endif; // hierarchical
 
                         if ( !$bulk ) : ?>