use \SbWereWolf\JsonSerializable\JsonSerializeTrait;

class TraitTest implements JsonSerializable
{
/* Declaration of trait use */
    use \SbWereWolf\JsonSerializable\JsonSerializeTrait;
/* Declaration of class properties */
    private $privateProp = 'privateProp';
    protected $protectedProp = 'protected property value';
    public $publicProp = 'public class member';
}
/* Convert class-exemplar to JSON */
echo json_encode(new TraitTest(),JSON_PRETTY_PRINT);
/*
{
    "privateProp": "privateProp",
    "protectedProp": "protected property value",
    "publicProp": "public class member"
}
*/