From 8081adfefa61dd58dbbebe107aa9a6068f865c8b Mon Sep 17 00:00:00 2001 From: Sergey Biryukov Date: Sat, 25 May 2019 14:34:30 +0000 Subject: [PATCH] Editor: In `edit-form-blocks.php`, check the result of `wp_set_post_lock()`, which may return `false` and cause a warning when passed to `implode()`. Props kakshak, aduth. Fixes #47013. git-svn-id: https://develop.svn.wordpress.org/trunk@45413 602fd350-edb4-49c9-b593-d223f7449a82 --- src/wp-admin/edit-form-blocks.php | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/wp-admin/edit-form-blocks.php b/src/wp-admin/edit-form-blocks.php index 0ae82cb3a3..29bf93e80e 100644 --- a/src/wp-admin/edit-form-blocks.php +++ b/src/wp-admin/edit-form-blocks.php @@ -247,9 +247,13 @@ if ( $user_id ) { } else { // Lock the post. $active_post_lock = wp_set_post_lock( $post->ID ); - $lock_details = array( + if ( $active_post_lock ) { + $active_post_lock = esc_attr( implode( ':', $active_post_lock ) ); + } + + $lock_details = array( 'isLocked' => false, - 'activePostLock' => esc_attr( implode( ':', $active_post_lock ) ), + 'activePostLock' => $active_post_lock, ); }