[wp-trac] [WordPress Trac] #20226: Don't advertise pingback URL on resources that don't support pingbacks

[WordPress Trac]

#20226: Don't advertise pingback URL on resources that don't support pingbacks
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 Reporter:  solarissmoke      |       Owner:  wonderboymusic
     Type:  enhancement       |      Status:  closed
 Priority:  normal            |   Milestone:  4.4
Component:  Pings/Trackbacks  |     Version:  3.3
 Severity:  minor             |  Resolution:  fixed
 Keywords:  has-patch         |     Focuses:  template
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Comment (by chris@…):

 I'm slightly confused by this. `send_headers()` job is to figure out what
 headers should be sent. What's nice about this is that right before
 actually sending them the hook `wp_headers` is called allowing us to
 filter them. However, now the `X-Pingback` header has been moved to
 `handle_404()` so that function is really
 `handle_404_and_maybe_send_pingback_header()`?

 I'm actually really for this ticket and have been unsetting that header
 using `wp_headers` on pretty much every site for a long time now, but this
 seems really hacky.

 If this does go through, the docs for `send_headers()` and possibly
 `handle_404()` should be updated.

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Ticket URL: <https://core.trac.wordpress.org/ticket/20226#comment:15>
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