Function Composition in PHP
Learn how to apply function composition in PHP using traditional and point-free styles. Understand how chaining functions helps simplify logic and reduces intermediate variables, enhancing your functional programming skills.
Function composition
The practice of chaining function calls, or composition, is common in functional programming. In fact, the spirit of functional programming is composition. A function chain is a nest of functions and, like any series, follows a linear chronology. In a function chain, the output of one function serves as input for the next. This concept is rooted in mathematics, where two functions, and , can be composed to create a new function, ...