PHP code example of flyokai / composition

1. Go to this page and download the library: Download flyokai/composition 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/ */

flyokai / composition example snippets


use function Flyokai\Composition\sortComposition;

$items = [
    'cache'  => ['className' => Cache::class,  'after' => 'config'],
    'config' => ['className' => Config::class],
    'db'     => ['className' => Db::class,     'depends' => 'config'],
    'http'   => ['className' => Http::class,   'before' => 'db'],
];

$sorted = sortComposition($items);

// Returns: ['http', 'config', 'cache', 'db'] — keys preserved, order corrected


[
    'itemName' => [
        'className' => 'Full\\Class\\Name',
        'before'    => 'item2,item3',     // string or array
        'after'     => 'item1',           // string or array
        'depends'   => 'other1,other2',   // string or array
    ]
]


use function Flyokai\Composition\castCompositionArgument;

$ordered = castCompositionArgument($items, 'modules', 'className');
// ['Http\\Class', 'Config\\Class', 'Cache\\Class', 'Db\\Class']


use Flyokai\Composition\TopSort\ArraySortGroup;

$sorter = new ArraySortGroup();
$sorter->add('a', []);
$sorter->add('b', ['a']);
$sorter->add('c', []);
$sorter->add('d', ['b']);

$sorter->sorted();  // ['a', 'c', 'b', 'd']
$sorter->grouped(); // [['a', 'c'], ['b'], ['d']] — items in a group are independent