Lesson 25 - Namespaces in PHP
In the previous tutorial, ArrayAccess and cloning in PHP, we learned about the ArrayAccess interface, and learned how to clone objects. In today's lesson, we'll focus on namespaces, which are used mainly for organizing classes in large applications.
Namespaces
When working on larger applications, you'll definitely get to a point where
you have a substantial amount of classes. Having 100 classes in one folder is,
without a doubt, very confusing. One can't see what the application contains,
which may lead to redundant code. In other words, we may end up writing an
entirely new code rather than modifying an existing code. You should know
without a doubt in your mind that this could only lead to trouble You may also run into what are
known as name collisions, which are usually solved by giving the classes long
names or confusing prefixes.
Having a large number of classes can be dealt with in several different ways. Fortunately, PHP supports namespaces since version 5.3, so you absolutely will need to use this sort of mechanism in this type of scenario.
Besides, almost all frameworks and third-party components use namespaces, so you should be familiar with them to be able to use third party libraries/projects.
A namespace is simply a
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In this tutorial, we're going to teach you how to use namespaces to make big projects more readable. We'll show you importing, aliases, and autoloading.
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