wp_update_link( array $linkdata ): int

300function wp_update_link( $linkdata ) {301	$link_id = (int) $linkdata['link_id'];302 303	$link = get_bookmark( $link_id, ARRAY_A );304 305	// Escape data pulled from DB.306	$link = wp_slash( $link );307 308	// Passed link category list overwrites existing category list if not empty.309	if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )310		&& count( $linkdata['link_category'] ) > 0311	) {312		$link_cats = $linkdata['link_category'];313	} else {314		$link_cats = $link['link_category'];315	}316 317	// Merge old and new fields with new fields overwriting old ones.318	$linkdata                  = array_merge( $link, $linkdata );319	$linkdata['link_category'] = $link_cats;320 321	return wp_insert_link( $linkdata );322}