Higher-order functional predicates.
MIT License
PHP underscore inspired &/or cloned from _.js, with extra goodies like higher order messaging
PHP Iteration Tools Library
PHP Hamcrest implementation [Official]
🗃 Array manipulation library for PHP, called Arrayy!
🚀 A fast lookup library that help you verify and search array and Traversable data.
PHP arrays and collections made easy
A PHP implementation of functional programming library equivalent to ramda.js.
A generic model layer for PHP