[PHP] underscore(lodash) 같은 라이브러리
- php 함수형 프로그래밍
* lstrojny /functional-php   <=== 권장
https://github.com/lstrojny/functional-php - 1.6k 
- v1.11.0  , 2019/12 
https://github.com/lstrojny/functional-php/blob/master/docs/functional-php.md 
설치
composer require lstrojny/functional-php
사용
use Functional as _ ;
$fn1 = function ($val, $key, $collection) {
return $val+1;
};
$ret = _\map([0,1,2,2,3], $fn1 );
$ret = _\unique($ret);
//-----------------------------------------------
* maciejczyzewski / bottomline  
https://github.com/maciejczyzewski/bottomline - 415 
- v0.1.2 , 2018/08 
//-------------------------------------------------- 
 * Anahkiasen / underscore-php  
https://github.com/Anahkiasen/underscore-php - 1.1k 
- v2.0.0 , 2015 
*   brianhaveri / Underscore.php  
underscore/underscore.php 
https://github.com/brianhaveri/Underscore.php - 1.2k 
http://brianhaveri.github.io/Underscore.php/ 
- release 없음 
- v1.3.1 , 2012 
//-------------------------------------------------- 
*  yuhanz /ramda-php  
https://github.com/yuhanz/ramda-php - 14 
- release 없음 
* kapolos /pramda  
https://github.com/kapolos/pramda - 237 
- release 없음 
 v0.10.0 , 2016 
*  tajawal / php-lodash  
https://github.com/tajawal/php-lodash - 23 
- v1.0.10 , 2018 
*  lodash-php / lodash-php  
https://github.com/lodash-php/lodash-php - 365 
- v0.0.6 , 2019/3 
*  ace411 /bingo-functional  
https://github.com/ace411/bingo-functional - 33 
 v1.12.0 , 2019/2 
* bdelespierre / php-underscore  
https://github.com/bdelespierre/php-underscore - 60 
- v0.2.0 , 2015 
*  dsheiko /extras  
https://github.com/dsheiko/extras - 5 
- v1.0.3 , 2018