Day 5: PHP Functions.

Welcome to the fifth day of your PHP learning journey.

It's finally time to cover another basic programming tool: functions.

In today's lesson, you will learn how functions work in PHP. We'll be looking at how to call a function, how to pass arguments, how to define your own functions and how to find the function you need in the PHP docs.

By the end of the day, you will know how to use functions in your code and how to find the PHP functions you need.

What you will learn today.

• How PHP functions work.
• How to pass arguments to functions.
• How to find the PHP functions you need.
• How to use multiple functions together.
• How to define your own functions.