ACF JSON ROUTE

add_action('wp-routes/register_routes', function(){
    with('/location-api', function(){
        respond('GET', '/[i:id]', function($request){
            $post = get_post($request->id);
            // $post = get_posts(array('post_type' => 'location'));
            header('Content-Type: application/json');
            if ($post) {
                $fields = array(
                    'post_id' => $post_id = $post->ID,
                    'title' => $post->post_title,
                    'url' => $post->guid,
                    'location_address' => $location_address = get_field('location_address',$post_id),
                    'location_map' => $location_map = get_field('location_map',$post_id),
                    'location_phone_number' => $location_phone_number = get_field('location_phone_number',$post_id),
                    'location_hours' => $location_hours = get_field('location_hours',$post_id),
                    'location_book_online_url' => $location_book_online_url = get_field('location_book_online_url',$post_id),
                    'content' => $post->post_content
                );
                // $address = get_field('location_address', $id);
                echo json_encode($fields);
            }
            else {echo json_encode(array('error' => 'Not a valid post ID'));}
        });
    });
});