Learning PHP 7 (Video 11)

The video tutorial covers best practices for organizing PHP classes and files, emphasizing the importance of using one class per file and naming files after the class. It explains the use of 'require' and 'include' statements for loading files, highlighting the differences between them. The tutorial introduces Composer as a tool for managing dependencies and demonstrates how to set it up, including configuring autoloading with PSR-4 notation. It also covers the use of namespaces to avoid class name collisions and streamline project structure.

Describe the PSR-4 standard and its significance in PHP.

What steps are involved in setting up autoloading for a PHP project using Composer?