Learn PHP: Functions

Learn how to use built-in PHP functions to complete common (and some niche) tasks and create your own functions to reuse blocks of code.
Continue your PHP learning journey! Learn how to use built-in PHP functions to complete common (and some niche) tasks and create your own functions to reuse blocks of code.



### Take-Away Skills
By the end of this course, you will be able to:
* Reuse blocks of code by defining and using functions.
* Use, find, and understand built-in PHP functions.

### Notes on Prerequisites
We recommend that you complete [Learn PHP: Introduction](https://www.codecademy.com/learn/learn-php-introduction) before completing this course.

• Introduction to Functions in PHP: Get started learning about functions in PHP so you can create your own reusable blocks of code.
• Lesson: Introduction to PHP Functions
• Quiz: Introduction to PHP Functions
• Project: Mad Lib Functions
• PHP Built-in Functions: PHP contains built-in functions for completing common (and some niche) tasks. This course will teach you how to find and use functions.
• Lesson: Intro to Built-in PHP Functions
• Quiz: Intro to Built-in PHP Functions
• Project: The Hitchhiker's Guide to PHP Math Functions
• Informational: Next Steps