Why ISP Matters for WordPress Developers
Focused interfaces mean your classes only depend on what they use. Changes to unrelated features never break your code. Testing becomes trivial.
No Forced Dependencies
Classes only implement what they actually need — no empty methods, no unused contracts
Resilient to Change
Adding a new interface doesn’t break existing implementations — they simply don’t implement it
Composable Architecture
Mix and match small interfaces to build exactly the capabilities each class needs