[wp-trac] [WordPress Trac] #54905: PHP notice while accessing Customizer

[WordPress Trac]

#54905: PHP notice while accessing Customizer
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 Reporter:  Boniu91                              |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  6.1
Component:  Customize                            |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-testing-info has-screenshots     |     Focuses:
  has-patch dev-feedback                         |
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Comment (by hellofromTonya):

 I'm wondering why this happens. Yes, I see the effect where the
 notification itself is happening due to no object being returned and no
 guard in place. However, going past this, how does the code even get to
 this point?

 What do I mean?

 With block themes, the intent is for the Menus and Widgets sections not be
 displayed in Customizer. Okay, then thinking more broadly, when should
 `WP_Customize_Widgets` and `WP_Customize_Nav_Menus` either bail out or not
 be instantiated?

 Is the "removal" logic too late in the execution stack?
 Is there an earlier approach to prevent unneeded code from executing?
 Resolving this fixes this ticket and enhances performance.

 Off the top of my head, I'm not sure. Deeper dive is needed. Raising it
 here though for broader thinking and discussion.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54905#comment:32>
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