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PHP Academy · Lesson

User-Defined Functions

Create your own reusable functions in PHP.

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User-Defined Functions

Welcome to the next lesson! In this lesson, you’ll learn how to create your own functions in PHP to perform specific tasks. User-defined functions allow you to organize and reuse code effectively. Let’s get started!

User-Defined Functions — illustration 1

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What Are User-Defined Functions?

User-defined functions are functions that you create yourself to perform tasks. They are defined using the function keyword and can include parameters and return values.

Key Point: Functions help you write modular, reusable, and readable code.

All lessons in this course

  1. What Are Functions?
  2. Built-in Functions
  3. User-Defined Functions
  4. Passing Arguments to Functions
  5. Return Values
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