In ColdFusion, an array is a collection of values or variables of any data type. You can think of an array as a list or table of values, where each value is stored in a specific position, referred to as an index.

ColdFusion arrays are dynamically resizable, meaning that you can add or remove elements from the array as needed. To create an array in ColdFusion, you use the array function and specify the elements that you want to include in the array. For example:

<cfset myArray = array("apple", "banana", "cherry")>

This creates an array with three elements: “apple”, “banana”, and “cherry”. The index of the first element is 1, the second element is 2, and so on.

You can access the elements of an array using the square brackets [] with the index of the element you want to retrieve. For example:

<cfoutput>#myArray[1]#</cfoutput>

This would output “apple”.

In addition to accessing individual elements, you can also perform operations on arrays as a whole, such as sorting, filtering, and mapping. ColdFusion provides several built-in functions for these operations, including arraySort, arrayFilter, and arrayMap.

Arrays are a powerful and flexible data structure that are commonly used in ColdFusion programming. They allow you to store and manipulate collections of data in a way that is easy to manage and efficient.