Ticket #15000: 15000.6.diff

src/wp-admin/includes/template.php

@@ -900 +900 @@
  * @param string           $title         Title of the meta box.
  * @param callback         $callback      Function that fills the box with the desired content.
  *                                        The function should echo its output.
- * @param string|WP_Screen $screen        Optional. The screen on which to show the box (like a post
+ * @param string|WP_Screen|array $screen  Optional. The screen on which to show the box (like a post
  *                                        type, 'link', or 'comment'). Default is the current screen.
+ *                                        Also accepts an array of post type slugs.
  * @param string           $context       Optional. The context within the screen where the boxes
  *                                        should display. Available contexts vary from screen to
  *                                        screen. Post edit screen contexts include 'normal', 'side',
@@ -921 +922 @@
                 $screen = get_current_screen();
         elseif ( is_string( $screen ) )
                 $screen = convert_to_screen( $screen );
+    elseif ( is_array( $screen ) ){
+        foreach ( $screen as $single_screen ){
+            add_meta_box( $id, $title, $callback, $single_screen, $context, $priority, $callback_args );
+            }
+        if( !isset( $screen->id ) )
+            return;
+        }
 
-        $page = $screen->id;
+    $page = $screen->id;
 
         if ( !isset($wp_meta_boxes) )
                 $wp_meta_boxes = array();
@@ -1052 +1060 @@
  * @since 2.6.0
  *
  * @param string $id String for use in the 'id' attribute of tags.
- * @param string|object $screen The screen on which to show the box (post, page, link).
+ * @param string|object|array $screen The screen on which to remove the box from (post, page, link). Also accepts an array of post type slugs from which to remove the box from.
  * @param string $context The context within the page where the boxes should show ('normal', 'advanced').
  */
 function remove_meta_box($id, $screen, $context) {
@@ -1062 +1070 @@
                 $screen = get_current_screen();
         elseif ( is_string( $screen ) )
                 $screen = convert_to_screen( $screen );
+    elseif ( is_array( $screen ) ){
+        foreach ( $screen as $single_screen ){
+            remove_meta_box( $id, $single_screen, $context );
+        }
+        if( !isset( $screen->id ) )
+            return;
+    }
 
         $page = $screen->id;