Ticket #34010: 34010.multiple-features.diff

wp-includes/post.php

@@ -1552 +1552 @@
 }
 
 /**
+ * Get a list of post type names that support a specific feature.
+ *
+ *  @since 4.5.0
+ *
+ * @param array|string $feature Single feature or an array of features the post types should support.
+ * @return array A list of post type names.
+ */
+function get_post_types_supporting( $args ) {
+        global $_wp_post_type_features;
+
+        $features = array_fill_keys( (array) $args, true );
+
+        return array_keys( wp_filter_object_list( $_wp_post_type_features, $features ) );
+}
+
+/**
  * Update the post type for the post ID.
  *
  * The page or post cache will be cleaned for the post ID.