[wp-trac] [WordPress Trac] #34302: get_rest_url() should not include a trailing slash by default

[WordPress Trac]

#34302: get_rest_url() should not include a trailing slash by default
--------------------------+-------------------------
 Reporter:  johnbillion   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.4
Component:  REST API      |    Version:  trunk
 Severity:  normal        |   Keywords:  needs-patch
  Focuses:                |
--------------------------+-------------------------
 Core's various `*_url()` functions return URLs without a trailing slash
 unless the `$path` argument specifies one. `get_rest_url()` is the
 exception as it includes a trailing slash by default when no `$path` is
 specified.

 {{{
 echo get_home_url() // http://example.com
 echo get_rest_url() // http://example.com/wp-json/
 }}}

 This creates a problem when a REST API client requests `http://example.com
 /wp-json/` to retrieve a list of routes and then concatenates one of the
 available routes onto the REST API endpoint, resulting in a double slash
 in the path, which in turn results in a 404 when requested.

 An example of an affected client is the [https://wordpress.org/plugins
 /rest-api-console/ REST API Console plugin].

 Unfortunately this also affects some of the internals of the REST API.

 Patch in progress.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34302>
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