[wp-trac] [WordPress Trac] #41541: New HTML and Text widgets not saving content

[WordPress Trac]

#41541: New HTML and Text widgets not saving content
----------------------------+-----------------------------
 Reporter:  galbaras        |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Widgets         |    Version:  4.8.1
 Severity:  normal          |   Keywords:
  Focuses:  administration  |
----------------------------+-----------------------------
 Existing text widgets can be adjusted, but new text and Custom HTML
 widgets are not saved, just cleared.

 error_log shows the following PHP warnings, which are likely related:

 [03-Aug-2017 02:25:31 UTC] PHP Warning:  array_merge(): Argument #2 is not
 an array in /home/ronitbaras/public_html/wp-includes/default-widgets.php
 on line 117
 [03-Aug-2017 02:25:31 UTC] PHP Warning:  array_merge(): Argument #1 is not
 an array in /home/ronitbaras/public_html/wp-includes/default-widgets.php
 on line 124

 The respective code was added in 4.8.1, which makes this even more likely
 to be the cause.

 I've tested with and without setting the title. I've also tested restoring
 a deleted text widget, and it works OK, so this is probably related to how
 4.8.1 creates new widget instances.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41541>
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