roave/dont is a small PHP package aimed at enforcing good practices when it comes to designing defensive code.

composer require roave/dont

The package currently provides the following traits:

• Dont\DontDeserialise
• Dont\DontSerialise
• Dont\DontClone
• Dont\DontGet
• Dont\DontSet
• Dont\DontCall
• Dont\DontCallStatic
• Dont\DontToString
• Dont\JustDont
• Dont\DontInstantiate

Usage is straightforward:

use Dont\DontSerialise;

class MyClass
{
    use DontSerialise;
}

serialize(new MyClass); // will throw an exception