author_can() WordPress Function
The author_can() function allows a user to check if the author of a post can perform a certain action. This is useful for customizing the behavior of your site based on the capabilities of the author.
author_can( int|WP_Post $post, string $capability, mixed $args ) #
Returns whether the author of the supplied post has the specified capability.
Description
This function also accepts an ID of an object to check against if the capability is a meta capability. Meta capabilities such as edit_post and edit_user are capabilities used by the map_meta_cap() function to map to primitive capabilities that a user or role has, such as edit_posts and edit_others_posts.
Example usage:
author_can( $post, 'edit_posts' );
author_can( $post, 'edit_post', $post->ID );
author_can( $post, 'edit_post_meta', $post->ID, $meta_key );Parameters
- $post
(int|WP_Post)(Required)Post ID or post object.
- $capability
(string)(Required)Capability name.
- $args
(mixed)(Optional)further parameters, typically starting with an object ID.
Return
(bool) Whether the post author has the given capability.
Source
File: wp-includes/capabilities.php
function author_can( $post, $capability, ...$args ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$author = get_userdata( $post->post_author );
if ( ! $author ) {
return false;
}
return $author->has_cap( $capability, ...$args );
}
Expand full source codeCollapse full source codeView on TracView on GitHub
Changelog
| Version | Description |
|---|---|
| 5.3.0 | Formalized the existing and already documented ...$args parameter by adding it to the function signature. |
| 2.9.0 | Introduced. |