From 53fcfd87ace7a7d3b77d7f4ae0f8de783c4e3492 Mon Sep 17 00:00:00 2001 From: Sergey Biryukov Date: Sat, 10 Mar 2018 17:30:12 +0000 Subject: [PATCH] General: In `wp_debug_backtrace_summary()`, check if `$call['args']` is defined to avoid a PHP notice. Props paulschreiber. Fixes #31215. git-svn-id: https://develop.svn.wordpress.org/trunk@42824 602fd350-edb4-49c9-b593-d223f7449a82 --- src/wp-includes/functions.php | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/wp-includes/functions.php b/src/wp-includes/functions.php index 533894bc77..99722d1c7f 100644 --- a/src/wp-includes/functions.php +++ b/src/wp-includes/functions.php @@ -5410,7 +5410,8 @@ function wp_debug_backtrace_summary( $ignore_class = null, $skip_frames = 0, $pr if ( in_array( $call['function'], array( 'do_action', 'apply_filters', 'do_action_ref_array', 'apply_filters_ref_array' ) ) ) { $caller[] = "{$call['function']}('{$call['args'][0]}')"; } elseif ( in_array( $call['function'], array( 'include', 'include_once', 'require', 'require_once' ) ) ) { - $caller[] = $call['function'] . "('" . str_replace( $truncate_paths, '', wp_normalize_path( $call['args'][0] ) ) . "')"; + $filename = isset( $call['args'][0] ) ? $call['args'][0] : ''; + $caller[] = $call['function'] . "('" . str_replace( $truncate_paths, '', wp_normalize_path( $filename ) ) . "')"; } else { $caller[] = $call['function']; }