- %1$s is private and should not be used in themes or plugins directly.
wp_get_duotone_filter_id ( $preset )
- (array) preset Duotone preset value as seen in theme.json.
- (string) Duotone filter CSS id.
- Introduced in WordPress: 5.9.1
- Deprecated in WordPress: —
Returns the prefixed id for the duotone filter for use as a CSS id.