Summary  
This chapter explains how functions produce outputs using return statements, how to capture and use these returned values in code flow, and the behavior of functions when no explicit return is provided.

General domain of usage  
Data processing pipelines

A beginner-friendly course designed to introduce learners to the fundamentals of PHP functions. Explore how to define, call, and utilize functions, understand parameters and return values, grasp variable scope, and work with both built-in and user-defined functions. This course provides clear explanations, practical examples, and quizzes to reinforce your understanding.

Learn the foundational concepts of PHP functions, including how to define, call, and understand their basic structure.

Explore advanced features of PHP functions, including variable scope, anonymous functions, and default parameter values.

Apply your knowledge of functions by exploring built-in PHP functions, creating your own, and following best practices.

Return Values from Functions

Return Values from Functions