PHP code example of hexlet / pairs-data

1. Go to this page and download the library: Download hexlet/pairs-data 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/ */

hexlet / pairs-data example snippets




use function Php\Pairs\Data\Lists\l;
use function Php\Pairs\Data\Lists\length;
use function Php\Pairs\Data\Lists\filter;
use function Php\Pairs\Data\Lists\toString;

$list = l(1, 2, 3, 4, 5, 6);
$length = length($list); // $length = 6;
$filter = filter($list, fn($x) => $x % 2 == 0);
$result = toString($filter); // $result = "(2, 4, 6)";