PHP Static Methods: Pros & Cons

The advantages and disadvantages of static class methods in PHP are as follows:

Advantages:

1. Accessing class methods directly without the need to instantiate objects is convenient and efficient.
2. You can call methods without creating class objects, reducing memory consumption.
3. Static methods can be shared throughout the entire application, making them easy to call from multiple locations.

drawback:

1. Static methods cannot directly access non-static properties and methods, which may lead to an increase in code coupling.
2. Unit testing static methods is more difficult because it is not possible to use dependency injection for replacement.
3. Static methods do not adhere to some of the principles of object-oriented programming, such as inheritance and polymorphism.

In conclusion, static class methods can be convenient and fast to use in certain situations, but caution is needed to avoid causing difficulties in code maintenance.