Filters whether a post type is considered “viewable”.
Description
The returned filtered value must be a boolean type to ensure is_post_type_viewable()
only returns a boolean. This strictness is by design to maintain backwards-compatibility and guard against potential type errors in PHP 8.1+. Non-boolean values (even falsey and truthy values) will result in the function returning false.
Parameters
$is_viewable
bool- Whether the post type is "viewable" (strict type).
$post_type
WP_Post_Type- Post type object.
Source
return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type );
Changelog
Version | Description |
---|---|
5.9.0 | Introduced. |
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