[wp-trac] [WordPress Trac] #46743: A way to detect whether the current theme supports wp_body_open()

[WordPress Trac]

#46743: A way to detect whether the current theme supports wp_body_open()
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 Reporter:  SergeyBiryukov  |      Owner:  (none)
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  5.2
Component:  Themes          |    Version:  trunk
 Severity:  normal          |   Keywords:
  Focuses:                  |
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 Background: #12563, #46679.

 With a new `wp_body_open()` template tag  introduced in [45042], what's
 the recommended way for plugin authors to detect whether the current theme
 supports `wp_body_open()`, and use a fallback code otherwise?

 Should we add `body-open` to the list of theme features registered with
 [https://developer.wordpress.org/reference/functions/add_theme_support/
 add_theme_support()], so that plugin authors could check it with
 `current_theme_supports()`?

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Ticket URL: <https://core.trac.wordpress.org/ticket/46743>
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