“Namespaces & Autoloading” in Information Technology

13 questions across 1 technology.

Information Technology

13 questions in 1 technology

#	Question	Technology	Topic	Level
1	How does PSR-4 autoloading work, and how does it map a namespace structure directly to a corresponding directory structure on disk? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Intermediate
2	How do you organize namespaces effectively in a larger application to reflect logical groupings such as models, services, and controllers? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Intermediate
3	How does Composer's classmap and files autoloading mechanism differ from PSR-4, and when would you use these alternative approaches instead? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Advanced
4	What is a namespace in PHP, and what problem does it solve when working with larger applications or third party libraries? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Beginner
5	How do you use the use keyword to import a class from a specific namespace, letting you reference it by its short name within a file? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Beginner
6	What is the difference between using a relative namespace reference, a fully qualified name starting with a backslash, and importing a class with use, when referencing a class from within a namespaced file? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Intermediate
7	How does Composer generate and optimize its autoloader for production, and what is the difference between the development autoloader and an optimized production autoloader? PHP › Namespaces & Autoloading	PHP	Namespaces & Autoloading	Advanced
8	How does Composer's autoloading feature, particularly PSR-4 autoloading, eliminate the need to manually require every class file in a PHP project? PHP › Composer	PHP	Composer	Intermediate
9	What is Composer and why is it considered an essential tool for modern PHP development? PHP › Composer	PHP	Composer	Beginner
10	What is the composer.json file, and what key information does it contain about a PHP project? PHP › Composer	PHP	Composer	Beginner
11	What is a Composer package, and why might a developer choose to extract reusable code into a standalone package rather than keeping it within a single application? PHP › Package Development & Publishing with Composer	PHP	Package Development & Publishing with Composer	Beginner
12	What is Packagist, and what role does it play in making a PHP package publicly available for other developers to install through Composer? PHP › Package Development & Publishing with Composer	PHP	Package Development & Publishing with Composer	Beginner
13	How does the WordPress plugin file structure typically work, including the required plugin header comment that WordPress uses to recognize and display a plugin? PHP › WordPress Plugin & Theme Development	PHP	WordPress Plugin & Theme Development	Intermediate