Changeset 40424

Timestamp:

04/13/2017 11:08:03 PM (7 years ago)

Author:

SergeyBiryukov

Message:

Posts, Post Types: In wp_check_post_lock(), check if the user with lock exists and return false otherwise.

Props arshidkv12, 1naveengiri.
Fixes #39888.

File:

• trunk/src/wp-admin/includes/post.php (modified) (3 diffs)

trunk/src/wp-admin/includes/post.php

@@ -1451 +1451 @@
  * @param int $post_id ID of the post to check for editing.
  * @return int|false ID of the user with lock. False if the post does not exist, post is not locked,
- *                   or post is locked by current user.
+ *                   the user with lock does not exist, or the post is locked by current user.
  */
 function wp_check_post_lock( $post_id ) {
@@ -1466 +1466 @@
     $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
 
+    if ( ! get_userdata( $user ) ) {
+        return false;
+    }
+
     /** This filter is documented in wp-admin/includes/ajax-actions.php */
     $time_window = apply_filters( 'wp_check_post_lock_window', 150 );
@@ -1482 +1486 @@
  *
  * @param int $post_id ID of the post being edited.
- * @return array|false Array of the lock time and user ID. False if the post does not exist or there
- *                     is no current user.
+ * @return array|false Array of the lock time and user ID. False if the post does not exist, or
+ *                     there is no current user.
  */
 function wp_set_post_lock( $post_id ) {