in_category
in_category ( $category, $post = null )
Parameters:- (int|string|int[]|string[]) category Category ID, name, slug, or array of such to check against.
- (int|WP_Post) post Optional. Post to check. Defaults to the current post.
Returns:- (bool) True if the current post is in any of the given categories.
Defined at:Change Log: - Introduced in WordPress: 1.2.0
- Deprecated in WordPress: —
Description
Checks if the current post is within any of the given categories.The given categories are checked against the post's categories' term_ids, names and slugs.
Categories given as integers will only be checked against the post's categories' term_ids.
Prior to v2.5 of WordPress, category names were not supported.
Prior to v2.7, category slugs were not supported.
Prior to v2.7, only one category could be compared: in_category( $single_category ).
Prior to v2.7, this function could only be used in the WordPress Loop.
As of 2.7, the function can be used anywhere if it is provided a post ID or post object.
For more information on this and similar theme functions, check out
the {@link Conditional Tags} article in the Theme Developer Handbook.