What does PHP namespace do?

Like C++, PHP Namespaces are the way of encapsulating items so that same names can be reused without name conflicts. It allows redeclaring the same functions/classes/interfaces/constant functions in the separate namespace without getting the fatal error. …

What is namespace in C$?

A namespace is a declarative region that provides a scope to the identifiers (the names of types, functions, variables, etc) inside it. Namespaces are used to organize code into logical groups and to prevent name collisions that can occur especially when your code base includes multiple libraries.

Should I use namespace in PHP?

1 Answer. The main objective of namespaces is to prevent name collisions, more over they are used to group classes, methods. As you mentioned there are a lot of classes within a Laravel project so namespaces would have to be used to prevent collisions which will happen in big projects.

What is a programming namespace?

In computing, a namespace is a set of signs (names) that are used to identify and refer to objects of various kinds. A namespace ensures that all of a given set of objects have unique names so that they can be easily identified. Some programming languages organize their variables and subroutines in namespaces.

How to define a namespace in PHP 5?

Defining namespaces. (PHP 5 >= 5.3.0, PHP 7) Although any valid PHP code can be contained within a namespace, only the following types of code are affected by namespaces: classes (including abstracts and traits), interfaces, functions and constants. Namespaces are declared using the namespace keyword.

What is the magic constant in PHP namespace?

PHP supports two ways of abstractly accessing elements within the current namespace, the __NAMESPACE__ magic constant, and the namespace keyword. The value of __NAMESPACE__ is a string that contains the current namespace name.

How do I use PHP namespaces with autoload?

This could be an alternative: Make the sub directory for each namespace you are defined. I used php 5 recomendation for autoloader declaration. If you are still with PHP 4, replace it with the old syntax: function __autoload ($class) Your __autoload function will receive the full class-name, including the namespace name.

Can a Declare statement precede a namespace declaration in PHP?

The only code construct allowed before a namespace declaration is the declare statement, for defining encoding of a source file. In addition, no non-PHP code may precede a namespace declaration, including extra whitespace: