Changeset 14053 for trunk/wp-includes/post.php

Timestamp:

04/10/2010 11:42:45 AM (14 years ago)

Author:

dd32

Message:

Introduce is_post_type_hierarchical(). Props ptahdunbar. See #12950

File:

• trunk/wp-includes/post.php (modified) (1 diff)

trunk/wp-includes/post.php

@@ -659 +659 @@
 
     return $post_statuses;
+}
+
+/**
+ * Whether the post type is hierarchical.
+ *
+ * A false return value might also mean that the post type does not exist.
+ *
+ * @since 3.0.0
+ * @see get_post_type_object
+ *
+ * @param string|int|object $post Post type name, post id, or a post object.
+ * @return bool true if post type is hierarchical, else false.
+ */
+function is_post_type_hierarchical( $post = false ) {
+    if ( is_string($post) && $is_post_type = get_post_type_object($post) )
+        return $is_post_type->hierarchical;
+    
+    $ptype = get_post( $post );
+    if ( $ptype && $is_post_type = get_post_type_object($ptype->post_type) )
+        return $is_post_type->hierarchical;
+        
+    return false;
 }