wp-includes/rest-api/class-wp-rest-server.php:1052Retrieves specified options for a route.
$routestringarray|null public function get_route_options( $route ) { if ( ! isset( $this->route_options[ $route ] ) ) { return null; } return $this->route_options[ $route ]; }Introduced in 4.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/class-wp-rest-server.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.