Helper Functions
Explore how to use helper functions in PHP to simplify coding tasks. Understand the role of pure and higher-order functions like map, filter, and fold to enhance data processing and function composition. This lesson helps you apply these concepts to improve readability and structure in functional programming.
We'll cover the following...
Definition
A helper function is essentially a function that provides assistance in performing a task.. The definition of a helper function is quite flexible and borderline ambiguous, but one thing remains clear about them. That is, they make programs much easier to read. Helper functions vary in utility from being enforcers of patterns to abstracting away the internals of frequently-used operations.
In theory, any purposeful function with explicitly defined inputs and outputs can exist as a helper function. It is, however, the ...