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Posts/Post Types: Add filter to is_post_type_viewable().

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Introduces a new filter `'is_post_type_viewable'` which allows overriding the check. The expected filtered value is a boolean. As filtered values can change, including the data type, this commit includes a `is_bool()` check, thus ensuring backwards-compatibility.

Follow-up to [33666], [36402].

Props audrasjb, deepaklalwani, hellofromTonya, peterwilsoncc, powerbuoy, sergeybiryukov.
Fixes #49628.

git-svn-id: https://develop.svn.wordpress.org/trunk@52024 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Tonya Mork
2021-11-05 23:00:44 +00:00
parent c3d8812856
commit 9c72fd73cb
1 changed files with 19 additions and 1 deletions
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src/wp-includes/post.php
+19 -1
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@@ -2086,6 +2086,7 @@ function set_post_type( $post_id = 0, $post_type = 'post' ) {
* @since 4.4.0
* @since 4.5.0 Added the ability to pass a post type name in addition to object.
* @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object.
* @since 5.9.0 Added `is_post_type_viewable` hook to filter the result.
*
* @param string|WP_Post_Type $post_type Post type name or object.
* @return bool Whether the post type should be considered viewable.
@@ -2102,7 +2103,24 @@ function is_post_type_viewable( $post_type ) {
return false;
}
return $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public );
$is_viewable = $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public );
/**
* Filters whether a post type is considered "viewable".
*
* @since 5.9.0
*
* @param bool $is_viewable Whether the post type is "viewable".
* @param WP_Post_Type $post_type Post type object.
*/
$is_viewable = apply_filters( 'is_post_type_viewable', $is_viewable, $post_type );
// Make sure the filtered value is a boolean type before returning it.
if ( ! is_bool( $is_viewable ) ) {
return false;
}
return $is_viewable;
}
/**