[wp-trac] [WordPress Trac] #23338: Notice with a Plugin. Is it a Plugin problem or WordPress problem?

WordPress Trac noreply at wordpress.org
Tue Jan 2 13:20:51 UTC 2024


#23338: Notice with a Plugin. Is it a Plugin problem or WordPress problem?
---------------------------+------------------------
 Reporter:  j.conti        |       Owner:  (none)
     Type:  defect (bug)   |      Status:  closed
 Priority:  normal         |   Milestone:
Component:  Network Admin  |     Version:
 Severity:  normal         |  Resolution:  invalid
 Keywords:                 |     Focuses:  multisite
---------------------------+------------------------

Comment (by merdurano):

 The notice you're seeing, "Notice: Undefined index: dashboard in /wp-
 content/plugins/wangguard/wangguard-admin.php on line 2835," is not a
 WordPress bug but rather a PHP notice. It indicates that there's an
 attempt to access an undefined index in an array.

 In this case, the issue seems to be related to the $wp_meta_boxes global
 variable. The plugin is trying to access the 'dashboard' index in the
 'normal' sub-array of the 'core' sub-array, but it assumes that this index
 is always defined.

 The problem may occur when the 'dashboard' index is not present in the
 'normal' sub-array of the 'core' sub-array. This could happen if another
 plugin or theme modifies the dashboard widgets structure in a way that is
 unexpected by WangGuard.

 To resolve this notice and make the code more robust, you should check if
 the index exists before attempting to access it. You can use the isset()
 function to check if the index exists:

 {{{#!php
 <?php
 if (isset($wp_meta_boxes['dashboard']['normal']['core'])) {
     $normal_dashboard = $wp_meta_boxes['dashboard']['normal']['core'];
     $wangguard_stats_backup =
 $normal_dashboard['wangguard_dashboard_stats'];

 unset($wp_meta_boxes['dashboard']['normal']['core']['wangguard_dashboard_stats']);
 $wp_meta_boxes['dashboard']['side']['core']['wangguard_dashboard_stats'] =
 $wangguard_stats_backup;
 }

 }}}
 By adding this check, you can avoid the "Undefined index" notice, and the
 code will be more robust in handling cases where the 'dashboard' index may
 not be present.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/23338#comment:3>
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