PHP Sergiors\Functional pipe示例

示例#1

文件： HoldTest.php 项目： sergiors/functional

 /**
  * @test
  */
 public function composeFuncs()
 {
     $pipe = F\pipe(F\hold('array_slice', F\_, 2), F\hold('array_map', function ($x) {
         return $x * 2;
     }), F\hold('implode', ','));
     $xs = [10, 20, 30, 40, 50];
     $this->assertEquals('60,80,100', $pipe($xs));
 }

示例#2

文件： PipeTest.php 项目： sergiors/functional

 /**
  * @test
  */
 public function fluentPipe()
 {
     $pipe = F\pipe('strtoupper')->pipe('strrev');
     $this->assertEquals('OLLEH', $pipe('hello'));
 }

示例#3

文件： pipe_native_funcs.php 项目： sergiors/functional

<?php

use Sergiors\Functional as F;
require_once __DIR__ . '/../vendor/autoload.php';
$join = F\pipe(F\flatten, F\partial('implode', ', '));
$mapCountry = F\map(function ($x) {
    return $x['country'];
});
$countries = F\pipe($mapCountry, $join)->strtoupper();
// or `->pipe('strtoupper')`
$mapCity = F\map(function ($x) {
    return $x['cities'];
});
$cities = F\pipe($mapCity)->pipe($join);
$xs = [['country' => 'Brazil', 'cities' => ['Florianópolis', 'Rio de Janeiro', 'Porto Alegre']], ['country' => 'USA', 'cities' => ['Baltimore', 'San Diego']], ['country' => 'China', 'cities' => ['Macau', 'Hong Kong']]];
assert('BRAZIL, USA, CHINA' === $countries($xs));
assert('Florianópolis, Rio de Janeiro, Porto Alegre, Baltimore, San Diego, Macau, Hong Kong' === $cities($xs));