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has_term( string|int|array $term = '', string $taxonomy = '', int|WP_Post $post = null )

Checks if the current post has any of given terms.

Description

The given terms are checked against the post’s terms’ term_ids, names and slugs. Terms given as integers will only be checked against the post’s terms’ term_ids.

If no terms are given, determines if post has any terms.

Parameters

$term

(string|int|array) (Optional) The term name/term_id/slug, or an array of them to check for.

Default value: ''

$taxonomy

(string) (Optional) Taxonomy name.

Default value: ''

$post

(int|WP_Post) (Optional) Post to check instead of the current post.

Default value: null

Return

(bool) True if the current post has any of the given terms (or any term, if no term specified). False otherwise.

Source

File: wp-includes/category-template.php 

function has_term( $term = '', $taxonomy = '', $post = null ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return false;
	}

	$r = is_object_in_term( $post->ID, $taxonomy, $term );
	if ( is_wp_error( $r ) ) {
		return false;
	}

	return $r;
}

Uses

Uses Description
wp-includes/taxonomy.php: is_object_in_term()

Determine if the given object is associated with any of the given terms.
wp-includes/post.php: get_post()

Retrieves post data given a post ID or post object.
wp-includes/load.php: is_wp_error()

Check whether variable is a WordPress Error.

Used By

Used By Description
wp-includes/category-template.php: has_category()

Checks if the current post has any of given category.
wp-includes/category-template.php: has_tag()

Checks if the current post has any of given tags.
wp-includes/canonical.php: redirect_canonical()

Redirects incoming links to the proper URL based on the site url.
wp-includes/post-formats.php: has_post_format()

Check if a post has any of the given formats, or any format.

Changelog

Version Description
3.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/has_term