In my previous SOLID principle blogs, we already have discussed the four principles and this one will discuss the last of the SOLID principles which is Dependency Inversion Principle (DIP) The dependency Inversion Principle says that High-level modules should not depend on low-level modules. Both should depend on abstractions (e.g., interfaces). If you look at …

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The interface segregation principle states: A client should never be forced to implement an interface that it doesn’t use, or clients shouldn’t be forced to depend on methods they do not use. This essentially means that instead of a big interface with lot many methods… we should have smaller interfaces with specific methods that will …

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Already I wrote a blog on SRP and OCP in solid principles. I am continuing further with the same example… and in this blog, we will be discussing the Liskov Substitution Principle (LSP). Definition: Objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program. LSP ensures …

Implementing Liskov Substitution Principle (LSP) using Laravel Read More »

We already discussed SRP in our previous blog. Let’s discuss Open/Closed Principle (OCP) in this blog. OCP is defined as “Software entities (classes, modules, functions) should be open for extension but closed for modification.”. This means one should be able to add new functionality to existing code without altering it. For example, we can try …

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