In this case it would make sense to always use use, since then you'll only have to make the change in one place (provided the classes implement the same interface). Original answer: There is no functional difference (except in the number or characters required) in those cases.

Apr 4, 2017 · When you define a class, it can only have access to other classes within its namespaces. Your controller for instance is defined within the following namespace. So to use other classes, you need to import them from their own namespaces so you can access them. e.g.: If you have javascript ES6 experience, it's a little bit similar to import.

May 7, 2013 · Java, C++, and even Ruby (and probably other programming languages) allow the creation of nested/inner classes inside the main class, which allows us to make the code more object-oriented and organized. In PHP, I would like to do something like so: public class User { public $userid; public $username; private $password; public class UserProfile {

Sep 10, 2024 · In PHP Object-Oriented Programming (OOP), access modifiers control the visibility of class properties and methods. The primary access modifiers in PHP are public, protected, and private. This...

Jun 21, 2024 · Just like private, protected means you can't access the property/method from outside the class, but you can from the inside. To understand the difference, we need an example with a class that extends another class:

Apr 17, 2025 · In object-oriented programming, access specifiers are also known as access modifiers. These specifiers control how and where the properties or methods of a class can be accessed, either from inside the class, from a subclass, or from outside the class. PHP supports three primary access specifiers:

By controlling access to class members, we maintain a clear separation between what's "inside" the class and what's "outside." This separation offers several advantages: Data Protection: With private properties, you protect sensitive data from external interference.

Sep 4, 2023 · There are three levels of access in PHP. Public properties can be accessed inside and outside the class, and protected properties can be used inside the class that defines them and the classes that inherit them. In contrast, private properties can only be accessed within the class that defines them. Class methods

Oct 18, 2009 · You can't define a class in another class. You should include files with other classes outside of the class. In your case, that will give you two top-level classes db and some. Now in the constructor of some you can decide to create an instance of db. For example:

I’d like to present my concept of inner classes for PHP based on other languages and PHP limitations. What are those inner classes? Nested Inner Class UML. In object-oriented programming (OOP), an inner class or nested class is a class declared entirely within the body of another class or interface. It is distinguished from a subclass ...