[wp-trac] [WordPress Trac] #47715: Customize: Widgets filter overwrites options with empty value

[WordPress Trac]

#47715: Customize: Widgets filter overwrites options with empty value
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 Reporter:  dlh           |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Customize     |    Version:  3.9
 Severity:  normal        |   Keywords:  has-patch
  Focuses:                |
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 `\WP_Customize_Widgets::capture_filter_pre_update_option()`, which is
 hooked to the `pre_update_option` filter, does not return a value when it
 attempts to return early, causing the filtered value to become `null`.

 The attached patch ensures the filtered value is returned instead.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47715>
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