PHP code example of nancheng / pfinal-array

1. Go to this page and download the library: Download nancheng/pfinal-array 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/ */

nancheng / pfinal-array example snippets



use function pf\arr\filter;
use function pf\arr\pipe;
use function pf\arr\pluck;
use function pf\arr\sortBy;
use function pf\arr\unique;

$names = pipe(
    $rows,
    filter(fn (array $row): bool => $row['active']),
    pluck('name'),
    unique(),
    sortBy(fn (string $name): string => $name),
);


use function pf\arr\dot;
use function pf\arr\get;
use function pf\arr\pull;

get('user.name', '未知')($data);

pull('user.name')($data);
// ['value' => '南丞', 'array' => [...]]

dot()(['user' => ['name' => '南丞'], 'tags' => ['php']]);
// ['user.name' => '南丞', 'tags.0' => 'php']


use function pf\arr\orderBy;
use function pf\arr\pipe;
use function pf\arr\pluck;

$names = pipe(
    $rows,
    orderBy('city', ['age', 'desc']),
    pluck('name'),
);


use function pf\arr\groupBy;
use function pf\arr\merge;
use function pf\arr\tree;

groupBy('city', 'age')($rows);

merge(['a' => ['b' => 2, 'c' => 3]])(['a' => ['b' => 1], 'e' => 5]);
// ['a' => ['b' => 2, 'c' => 3], 'e' => 5]

tree()($nodes);


use function pf\arr\dateMap;
use function pf\arr\range;

range(1, 5, 2);                 // [1, 3, 5]
dateMap('2026-01-01', '2026-01-03', 0);