The Benefits of Functional Programming

Learn about the benefits of functional programming.

Cognitive load-reducing ability

Functional programming reduces the cognitive burden of writing code. Composing pure functions limits the mental effort required to perform tasks.

The human brain has a variable, but small number of shared memory resources for discrete working that we refer to as memory quanta. Working memory, the ​​short-term memory optimized for temporary storage, is a limited resource. Each variable written in a computer program occupies at least one quantum of that limited memory.


The snippet below contains three variables declared and evaluated by the PHP interpreter.

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