Docs: List the expected type first in a few functions:

* `is_allowed_http_origin()`
* `doing_filter()`
* `wp_get_post_revisions_url()`

Follow-up to [28010], [28889], [30674], [46696], [47060], [48068], [49929], [49963], [52095], [51286], [52111].

See #55646.

git-svn-id: https://develop.svn.wordpress.org/trunk@53770 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-includes/http.php

@@ -448,7 +448,7 @@ function get_allowed_http_origins() {
  *
  * @since 3.4.0
  *
- * @param null|string $origin Origin URL. If not provided, the value of get_http_origin() is used.
+ * @param string|null $origin Origin URL. If not provided, the value of get_http_origin() is used.
  * @return string Origin URL if allowed, empty string if not.
  */
 function is_allowed_http_origin( $origin = null ) {

src/wp-includes/plugin.php

@@ -363,7 +363,7 @@ function current_filter() {
  * @see did_action()
  * @global string[] $wp_current_filter Current filter.
  *
- * @param null|string $hook_name Optional. Filter hook to check. Defaults to null,
+ * @param string|null $hook_name Optional. Filter hook to check. Defaults to null,
  *                               which checks if any filter is currently being run.
  * @return bool Whether the filter is currently in the stack.
  */

src/wp-includes/revision.php

@@ -584,7 +584,7 @@ function wp_get_last_revision_id_and_total_count( $post = 0 ) {
  * @since 5.9.0
  *
  * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
- * @return null|string The URL for editing revisions on the given post, otherwise null.
+ * @return string|null The URL for editing revisions on the given post, otherwise null.
  */
 function wp_get_post_revisions_url( $post = 0 ) {
 	$post = get_post( $post );