sync_category_tag_slugs( WP_Term|array $term, string $taxonomy )

Synchronizes category and post tag slugs when global terms are enabled.

Parameters

$term

(WP_Term|array) (Required) The term.

$taxonomy

(string) (Required) The taxonomy for $term. Should be 'category' or 'post_tag', as these are the only taxonomies which are processed by this function; anything else will be returned untouched.

Return

(WP_Term|array) Returns $term, after filtering the 'slug' field with sanitize_title() if $taxonomy is 'category' or 'post_tag'.

Source

File: wp-admin/includes/ms.php 

function sync_category_tag_slugs( $term, $taxonomy ) {
	if ( global_terms_enabled() && ( 'category' === $taxonomy || 'post_tag' === $taxonomy ) ) {
		if ( is_object( $term ) ) {
			$term->slug = sanitize_title( $term->name );
		} else {
			$term['slug'] = sanitize_title( $term['name'] );
		}
	}
	return $term;
}

Uses

Uses Description
wp-includes/formatting.php: sanitize_title()

Sanitizes a string into a slug, which can be used in URLs or HTML attributes.
wp-includes/functions.php: global_terms_enabled()

Determine whether global terms are enabled.

Changelog

Version Description
3.0.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/sync_category_tag_slugs