Functional Programming, a style predicated on the Lambda Calculus, is one of the more prominent trends in engineering today. For many, the style's verbiage is dishearteningly esoteric despite the salience of its many ideas in various codebases. PHP remains one of the most used languages for web development and has taken several leaps and bounds since its inception in the twentieth century - advancements that have rendered the language functional programming-amiable.
The book, Functional Programming in PHP, is an attempt to distill paradigm-centric ideas for PHP audiences - its purpose is to make sense of the abstruseness.
