February 24, 2011 
Definition:
function has_term( $term = '', $taxonomy = '', $post = null ) {}
Check if the current post has any of given terms.
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
- string|int|array $term: Optional. The term name/term_id/slug or array of them to check for.
- string $taxonomy: Taxonomy name
- int|object $post: Optional. Post to check instead of the current post.
Return values
returns:True if the current post has any of the given tags (or any tag, if no tag specified).
Source code
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;
}
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