wp-includes/class-wp-duotone.php:802Get the SVGs for the duotone filters.
$sourcesarraystring private static function get_svg_definitions( $sources ) { $svgs = ''; foreach ( $sources as $filter_id => $filter_data ) { $colors = $filter_data['colors']; $svgs .= self::get_filter_svg( $filter_id, $colors ); } return $svgs; }Introduced in 6.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-duotone.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.