Tag

#OOP

Object-oriented programming concepts and design.

1 answered questions carry this tag.

Kaan August 28, 2026

How do I cleanly implement "withX" copy methods on readonly value objects?

A readonly withX returns a new instance: `new self` with named arguments is portable, and `clone($this, [...])` fits PHP 8.5 when validation is simple.

#PHP #OOP