[wp-trac] [WordPress Trac] #40850: WP_Query->have_posts() -- add action if no results are found

[WordPress Trac]

#40850: WP_Query->have_posts() -- add action if no results are found
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 Reporter:  mgibbs189    |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Query        |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:
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Comment (by mgibbs189):

 @SergeyBiryukov @swissspidy Howdy, could I please get dev feedback on this
 one?

 We're doing template auto-detection for FacetWP, and this
 `loop_no_results` action will allow us to "latch on" to the template when
 no results are found... which isn't currently possible via `loop_start` or
 `loop_end`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40850#comment:3>
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