What is Dependency Injection in Laravel?

Laravel Published 26 Sept 2026 0 Views Verified

Dependency injection is a design technique where a class receives the objects it needs from another component, commonly through its constructor. Laravel uses the service container to resolve many dependencies automatically, improving testability and separation of concerns.

#Laravel #Dependency Injection #Service Container #OOP

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Answer & Explanation

4 Answers

Verified Correct Answer

A. Providing Dependencies to a Class

Dependency injection means that a class receives the objects or services it needs instead of creating them internally.

Additional Explanation

Laravel uses its service container to resolve many dependencies automatically. This pattern improves separation of concerns and makes code easier to test.

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B. Injecting CSS into HTML

Dependency injection is a software design technique, not CSS injection.

Additional Explanation

The term dependency refers to required software objects or services.

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C. Uploading Images

Dependency injection does not mean image upload.

Additional Explanation

File upload is a separate application feature.

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D. Creating Database Indexes

Database indexes are separate from dependency injection.

Additional Explanation

Indexes improve database lookup performance but are unrelated to dependency resolution.

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26 Sept 2026