The Whale Metaphor: How OOP’s Four Pillars Actually Work in WordPress
29 Aug 2026·
Originally published on
Medium
·OOP & SOLID
In short
- Encapsulation, abstraction, inheritance and polymorphism are one foundation, not four separate rules.
- OOP scales from a brochure site to an enterprise platform.
- Once the four principles click, SOLID becomes the natural next step.
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