Immutable objects in PHP?

Question

Is it a good idea to create objects that cannot be changed in PHP?

For example a date object which has setter methods, but they will always return a new instance of

Answer 1

From an immutable object, you can get its values but there is no way to modify them. Here you can see an example of an immutable class:

value = $value;
    }

    public function value(): string 
    { 
        return $this->value;
    }
}

// Example of usage:
$immutable = Immutable::withValue("my value");
$immutable->value();