apply_filters( 'post_link_category', WP_Term $cat, array $cats, WP_Post $post )

238				 * @since 3.5.0239				 *240				 * @param WP_Term  $cat  The category to use in the permalink.241				 * @param array    $cats Array of all categories (WP_Term objects) associated with the post.242				 * @param WP_Post  $post The post in question.243				 */244				$category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post );245 246				$category_object = get_term( $category_object, 'category' );247				$category        = $category_object->slug;248				if ( $category_object->parent ) {249					$category = get_category_parents( $category_object->parent, false, '/', true ) . $category;250				}