Arrays in PHP

In this lesson, Codecademy introduced the concept of arrays. An array is a list of items that allows you to store more than one item in only one variable. You can access a specific position of an array or replace, modify, or delete items at specific positions in the array. Additionally, when the number of items in an array is not known, you can write commands to continue to print items as long as they exist. The following code is an example of this.