developer-roadmap/roadmaps/php/content/interfaces@vu0H-TsD7hkJgOQbSRj92.md

Interfaces

Interfaces define a contract of methods that implementing classes must provide. A class can implement multiple interfaces, unlike inheritance which is limited to a single parent. Interfaces contain only method signatures and constants, no implementations. They are used to define capabilities that unrelated classes can share.

Visit the following resources to learn more:

• @official@Interfaces