Design Patterns in PHP and Laravel

© Kelt Dockins 2017

Kelt Dockins, Design Patterns in PHP and Laravel, 10.1007/978-1-4842-2451-9_9

9. Adapter

Kelt Dockins¹ 

(1)Dolph, Arkansas, USA

$> git checkout adapter

Intent

Convert the interface of a class into another interface that the clients expect. Adapter lets classes work together that couldn’t otherwise because of incompatible interfaces.¹

Applications

Sometimes you want to use existing code but the interface does not match what you need. For example, you want to utilize vendor/outside code without rewriting all of your existing code. It is analogous to fitting a square peg in round hole. A square peg can fit inside any round hole, provided the peg is small enough. You should take care to adapt what is needed because the more methods ...