[wp-trac] [WordPress Trac] #58351: PHP Fatal error: Uncaught TypeError: array_merge()

[WordPress Trac]

#58351: PHP Fatal error:  Uncaught TypeError: array_merge()
--------------------------+------------------------------
 Reporter:  lenasterg     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Widgets       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  php80         |     Focuses:
--------------------------+------------------------------

Comment (by lenasterg):

 Hi @jrf.
 I have no clue. It happened on in one subsite, which the user hadn't
 edited it for more than a year.
 During this period, we updated the multisite installation from WP 4.9+ to
 6.2.1.
 The user can't remember the initial theme, his blog had.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/58351#comment:5>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform