[wp-trac] [WordPress Trac] #64283: PHP Deprecated: strip_tags(): Passing null to parameter #1 ($string) admin-header.php on line 41

[WordPress Trac]

#64283: PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string)
admin-header.php on line 41
-----------------------------------------------+---------------------------
 Reporter:  dglingren                          |      Owner:  (none)
     Type:  defect (bug)                       |     Status:  new
 Priority:  normal                             |  Milestone:  Awaiting
                                               |  Review
Component:  Administration                     |    Version:
 Severity:  minor                              |   Keywords:
  Focuses:  administration, php-compatibility  |
-----------------------------------------------+---------------------------
 This PHP 8.2 message comes up on most admin mode pages in WP 6.9 RC 2:


 {{{
 [20-Nov-2025 17:58:51 UTC] PHP Deprecated:  strip_tags(): Passing null to
 parameter #1 ($string) of type string is deprecated in D:\My Data\Data
 Files\Web Design\VirtualHosts\mlabeta\wp-admin\admin-header.php on line 41
 [20-Nov-2025 17:58:51 UTC] PHP Stack trace:
 [20-Nov-2025 17:58:51 UTC] PHP   1. {main}() D:\My Data\Data Files\Web
 Design\VirtualHosts\mlabeta\wp-admin\upload.php:0
 [20-Nov-2025 17:58:51 UTC] PHP   2. require_once() D:\My Data\Data
 Files\Web Design\VirtualHosts\mlabeta\wp-admin\upload.php:10
 [20-Nov-2025 17:58:51 UTC] PHP   3. require_once() D:\My Data\Data
 Files\Web Design\VirtualHosts\mlabeta\wp-admin\admin.php:244
 [20-Nov-2025 17:58:51 UTC] PHP   4. strip_tags($string = NULL) D:\My
 Data\Data Files\Web Design\VirtualHosts\mlabeta\wp-admin\admin-
 header.php:41
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64283>
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