PHP code example of emonkak / underbar.php

1. Go to this page and download the library: Download emonkak/underbar.php library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

emonkak / underbar.php example snippets


// There are also ArrayImpl and GeneratorImpl.
use Underbar\IteratorImpl as _;

// Take five elements from a infinite list of even numbers.
_::chain(0)
    ->iterate(function($n) { return $n + 1; })
    ->filter(function($n) { return $n % 2 === 0; })
    ->take(5)
    ->each(function($n) { echo $n, PHP_EOL; });
// => 0
//    2
//    4
//    6
//    8

// Get a first element.
echo _::first(array(100)), PHP_EOL;
// => 100