wp-includes/deprecated.php:5199Returns the duotone filter SVG string for the preset.
$presetarraystringfunction wp_get_duotone_filter_svg( $preset ) { _deprecated_function( __FUNCTION__, '6.3.0', 'WP_Duotone::get_filter_svg_from_preset()' ); return WP_Duotone::get_filter_svg_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.