[wp-trac] [WordPress Trac] #37708: `wp_http_supports()` doesn't reflect what Requests can do

[WordPress Trac]

#37708: `wp_http_supports()` doesn't reflect what Requests can do
--------------------------+-----------------------------
 Reporter:  dd32          |       Owner:  (none)
     Type:  defect (bug)  |      Status:  reopened
 Priority:  normal        |   Milestone:  Future Release
Component:  HTTP API      |     Version:  4.6
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
--------------------------+-----------------------------

Comment (by dd32):

 8 years later, this is causing some issues with WordPress playground,
 which uses a custom fetch transport.

 https://github.com/WordPress/wordpress-playground/issues/1494

 After doing some digging with the aid of wpdirectory.net I've been unable
 to find any instances of wp_http_supports() usage which looking for a
 capability other than `ssl`, which is good, because we (WP_HTTP &
 Requests) don't support anything else here :)

 The only instance I could find that was not looking for SSL was code
 similar to this:
 {{{
 if ( wp_http_supports( array(), 'http://www.example.com/' ) ) { ... }
 }}}

 The attached PR implements option 1 from the ticket, using the Requests v2
 method.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37708#comment:19>
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