wp-includes/deprecated.php:5166Returns the prefixed id for the duotone filter for use as a CSS id.
$presetarraystringfunction wp_get_duotone_filter_id( $preset ) { _deprecated_function( __FUNCTION__, '6.3.0' ); return WP_Duotone::get_filter_id_from_preset( $preset );}Introduced in 5.9.1. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.