JBZoo Utils - набор php функций хелперов
Присутствует: Array helper, Command line, Date helper, Parse and filter simple variables, Functions for filesystem, functions with HTTP headers, Image helper, Helper for serialized data, Sluggify, Functions for strings, Functions for URL's, Variable handlers, Email.
Пример
// Check is key exists with stric mode
Arr::key($key, $array)
// Check is value exists in the array
Arr::in($key, array $array)
// Returns the first element in an array.
Arr::first(array $array)
https://github.com/JBZoo/Utils