WP_Query::is_single( int|string|int[]|string[] $post = '' )
Is the query for an existing single post?
Description
Works for any post type excluding pages.
If the $post parameter is specified, this function will additionally check if the query is for one of the Posts specified.
See also
Parameters
- $post
-
(Optional) Post ID, title, slug, path, or array of such to check against.
Default value: ''
Return
(bool) Whether the query is for an existing single post.
Source
File: wp-includes/class-wp-query.php
public function is_single( $post = '' ) {
if ( !$this->is_single )
return false;
if ( empty($post) )
return true;
$post_obj = $this->get_queried_object();
$post = array_map( 'strval', (array) $post );
if ( in_array( (string) $post_obj->ID, $post ) ) {
return true;
} elseif ( in_array( $post_obj->post_title, $post ) ) {
return true;
} elseif ( in_array( $post_obj->post_name, $post ) ) {
return true;
} else {
foreach ( $post as $postpath ) {
if ( ! strpos( $postpath, '/' ) ) {
continue;
}
$postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );
if ( $postpath_obj && ( $postpath_obj->ID == $post_obj->ID ) ) {
return true;
}
}
}
return false;
}
Changelog
Version | Description |
---|---|
3.1.0 | Introduced. |